You can buy (A) - 2 oz. of conditioner for $0.90, (B) - 4 oz. of conditioner for $1.76, (C) - 5 oz. of conditioner for $2.15, or (D) - 8 oz. of conditioner for $4.00. Which option is the best buy?
Choice (C) - the 5 oz. bottle
100
There are 2 red marbles for every 3 blue marbles in Marcy's collection. She knows that she has 51 blue marbles. Which proportion could she solve to figure out how many red marbles she has? A. 2⁄3 = x⁄51
B. 2⁄51 = 3⁄x
C. 2⁄3 = 51⁄x
D. 2⁄5 = x⁄51
A
100
You surveyed 20 people and found that 16 out of 20 people said they like soccer more than lacrosse. What percent of people said they like soccer more than lacrosse?
80%
100
Your bill at a restaurant comes to $25. How much should you tip if you want to tip 15%?
$3.75
100
What is (-6) + 2?
-4
200
A car can travel 4 miles on 1⁄8 of a gallon of gas. What is the unit rate in miles per gallon?
32 mpg
200
There are 27 boys out of 50 total students in grade 7 at Smalltown Middle School. The entire school has the same ratio of boys to total students and 162 boys go to the school. You want to know how many total students go to SMS. Which proportion could you solve to answer this problem? A. 27⁄50 = x⁄162
B. 27⁄162 = x⁄50
C. 27⁄50 = 112⁄x
D. 27⁄50 = 162⁄x
D
200
A school club collects $200 in a fundraiser. They spend 15% on a pizza party. How much did they spend on the party?
$30
200
You purchase a sofa for $300. There is a 6% tax added to the subtotal. How much will you pay total, including tax?
$318
200
What is -9 - 20?
-29
300
There are 2 girls for every 3 boys in your class. If there are 12 girls in class, how many boys are there?
18 boys
300
A recipe says to use 2.5 cups of cinnamon and 3 cups of sugar to make a dozen cookies. How many cookies could you make using 15 cups of cinnamon?
6 dozen or 72 cookies
300
Felix read 48 out of 80 remaining pages in his book. What percent of the remaining pages did he read?
60%
300
A clock that regularly costs $27 is on sale for 25% off. What is the sale price of the clock?
$20.25
300
What is -87 + (-77)?
-164
400
Brian runs half a mile in a quarter of an hour. What is his speed in miles per hour?
2 mph
400
On a map, 0.75 inches = 1 mile. Two cities are 6 inches apart on the map. What is the actual distance between the cities?
8 miles
400
Valerie saves $27 out of her total allowance. This is 30% of the total. How much total allowance does she receive?
$90
400
An item went from $35 to $14 on sale. What is the percent decrease in the price?
60%
400
Select the correct number line model and find the difference: -2 - 4 = ?
(see slide)
B, -6
500
3 machines in a factory all work at a pace of 20 toys per hour (each). If they work 8 hours a day, how many toys do they make in a 5-day work week?
2,400 toys
500
Rita solves 10 problems in 1 hour. At the same rate, how long will it take Rita to solve 7 more problems?
42 minutes or 7/10 of an hour.
500
A business owner makes 30% of every dollar earned by Store A and 20% of every dollar earned at Store B. How much does he make if Store A earns $12,000 and Store B earns $15,000?
$6,600
500
The original price was $16 but the price was marked up to $20. What was the percent increase?
25%
500
Select all addition and subtraction expressions that could be represented by the number line. (see slide with number line)