Percents
Joseph's lunch at a restaurant cost $13.00. He leaves the waiter a tip of 17% of the cost of the lunch. What is the total cost of the lunch, including the tip?
$15.21
Joann went for a hike. The trail she hiked was 5 1/2 miles and it took her 2 1/5 hours to complete. If Joann hiked at an average unit rate, how fast, in miles per hour, did Joann hike?
2 1/2 miles per hour
2.5 miles per hour
5/2 miles per hour
What is the value of 1/3 - (2/3 + 5/7) - 2 1/5?
-137/35 or -3 32/35
Write an expression that is equivalent to 3.6(x - 5) + 2.5(x + 4) so that it is simplified to unlike terms.
6.1x - 8
A map has a scale of 1 cm to 35 miles. If two cities are 8.25 cm apart on the scale drawing, what is the actual distance between the cities?
288.75 miles
A seventh grade class sells gift cards as a fundraiser for the school library. Each gift card sells for $15.00. The library gets 35% of the money earned for each gift card sold. How much money does the library get if the class sells 500 gift cards?
$2,625
Determine if each table in the image is proportional or not. If it is proportional, state the constant of proportionality.
A: Not proportional. No constant of proportionality.
B: Proportional. Constant of Proportionality is 1/5
C: Not proportional. No constant of proportionality.
A scuba diver dives 24 feet below the water's surface. The diver then rises 10 feet, stops, and then dives downward another 18 feet. How far, in feet, does the diver need to rise upward to reach the water's surface?
32 feet
Clara goes miniature golfing. She pays $7.50 for a ticket and $6.25 for each round she golfs. The total amount Clara pays for a ticket and the number of rounds she golfs is $26.25. Write an equation to determine the number of rounds, x, that Clara golfs.
6.25x + 7.50 = 26.25
A teacher records the test scores for the students in her class. The results are shown in the box plot . Based on these data, what is the interquartile range?
11
Paul wanted to buy a shirt that cost $15.50. He had a 25% discount. Write an equation to represent the total cost after the discount, y, and the original cost, x. Then solve for the price of the shirt after the discount.
y = 0.75x
$11.63
A store buys candy by the pound. The graph shown below represents the relationship between the weight, in pounds, and the total cost, in dollars, of the candy. What is the cost of one pound of candy? Then write an equation to represent this graph.
$3.50 per pound
y = 3.50x
A cook removes a package of food from a freezer and begins to defrost the package. The initial temperature of the package of food is -15 degrees Fahrenheit. At noon, the temperature of the package of food has increased to 35 degrees Fahrenheit. What is the total change in temperature, in degrees Fahrenheit, for the package of food?
50 degrees Fahrenheit
Frank is riding in a taxi to get to work. The cost of riding in a taxi includes a one-time fee of $2.75, and $2.60 per mile. If Frank rides in a taxi for 4 miles and pays a $2.00 tip, how much money will he have left over if he pays with a $20.00 bill?
$4.85
A student tosses a fair coin with heads (H) on one side and tails (T) on the other, and rolls a fair number cube with faces numbered 1 through 6. How many different outcomes are possible? Be sure to provide the sample space for all possible combinations to support your answer.
H1 H2 H3 H4 H5 H6
T1 T2 T3 T4 T5 T6
12 outcomes
The members of a school club are selling tickets for a fundraiser. The goal for the fundraiser is to earn $50.00 each day from ticket sales. The list below shows the percent of the goal reached each day.
On the first day, the members earned 90% of their daily goal.
On the second day, the members earned 6% more than their daily goal.
On the third day, the members earned 14% less than their daily goal.
How much money, in dollars, did the members earn from ticket sales on all three days?
$141
Cheryl earns $23.75 babysitting for 2 1/2 hours. Write an equation to represent this situation. Then using that equation determine how much Cheryl earns when babysitting for 5 3/4 hours?
y = 9.50x
y = 9.50(5 3/4)
y = $54.63
Joel has three buckets which contain different amounts of liquid. The amount of liquid in each bucket is listed below.
7 1/2 liters
5 3/4 liters
6 3/4 liters
Joel mixes all the liquid together. Then he pours all the liquid equally into 5 containers. How many liters of liquid does Joel pour into each container?
4 liters
Ms. Bow spent a total of $175.00 for 4 admission tickets and for parking at a baseball game. The cost of each admission ticket was the same amount, including tax. The cost of parking was $25.00. Write an equation that can be used to determine t, the cost, in dollars, of each admission ticket, including tax. Then determine the cost, in dollars, of each admission ticket, including tax.
4t + 25 = 175
t = $37.50 per ticket
April went to the deli and could choose one type of bread, one type of meat, one type of cheese, and one type of vegetable. The options for each are listed below.
Bread: White, Wheat, or Rye
Meat: Turkey, Ham, Roast Beef, or Chicken
Cheese: Swiss or American
Vegetable: Lettuce, Onions, or Peppers
What is the probability that April will choose white, turkey, swiss, and onions?
1/72
Kenneth bought a shirt that was originally priced at $55.00. After a discount, he paid $38.50. What was the percent discount of the original price of the shirt?
30%
The table shown represents a proportional relationship between the number of cookies, x, and the total cost, y. First determine the unit rate. Then write an equation to represent this proportional relationship. Then determine how many cookies you can buy for $11.25.
Unit Rate: $0.25 per cookie
y = 0.25x
11.25/0.25 = 45 cookies
Eli and Jerry each went for a walk, once a day, for 4 days. Eli walked 3/4 mile each day. Jerry walked 3/5 mile each day. At the end of 4 days, how much farther, in miles, had Eli walked than Jerry?
3/5 miles or 0.6 miles
Ms. Jacobs has $15.00 to spend on coffee and donuts. She buys 1 coffee for $2.59. The cost of each donut is $1.09. Write an inequality to determine how many donuts, d, Ms. Jacobs can buy. Then solve and graph your solution.
1.09d + 2.59 <= 15.00
d <= 11.385...
Ms. Jacobs can buy 11 donuts.
This would be a closed circle starting at 11 then shaded left (less than 11).
A principal gathered data about the distance, in miles, that his teachers and bus drivers live from the school. The box plots are shown below. Write down the minimum, median, quartile 3, and the interquartile range for each group (bus drivers and teachers).
Bus Drivers:
Minimum 5, Median 15, Q3 20, IQR 10
Teachers:
Minimum 5, Median 25, Q3 30, IQR 15