Ratios and proportionality
The cost of a tent rental is $160 for 5 days. At this rate, how much does it cost to rent the tent for one day?
$32
What is 8% of 214?
17.12
Sam will roll a number cube, labeled 1 through 6, a total of 90 times. What is a good prediction for the number of times that the number cube will land on 5?
About 15 times
Solve for n: 3n = 15
5
How many sides does a quadrilateral have?
4
Holly's room is 12 feet long by 9 feet wide. The carpet she wants to put in the room costs $4.50 per square foot. How much will it cost to carpet Holly's room?
$486
Debbie sees a pair of jeans that was originally priced at $36. The jeans are on sale for 25% off. What is the sale price of the jeans?
$27
Josh is going to choose a random card from 13 cards. The cards are numbered from 1 to 13. What is the probability that he will choose a card with a number less than 4? Is the event likely, unlikely, or neither?
The probability is 3/13. It is unlikely.
Solve for 'x':
2 (x - 2) = 16
10
What is the formula to find the circumference of a circle?
C = 3.14d
One lap around the path in a park is 1/4 mile. It take Andy 1/6 hour to walk one lap. What is Andy's unit rate around the park?
1 1/2 miles per hour
A DVD costs $19.80. The sales tax is 7%. What is the cost of the DVD, with sales tax included?
$21.19
Collin asked every eighth student entering the school which of four subjects was his or her favorite. Is this considered a random survey or a biased survey?
random
What is the value of p in the equation: -4p - 8 = 24?
-8
If the diameter of a circle is 12 m, what is the area of the circle?
113.04 m2
Jen works for a florist. The worked 15 hours last week and earned $112.50. At that rate, how much will she earn if she works for 10 hours?
$75
Jen deposited $750 in her savings account. She had the money in the account for 18 months without making any deposits or withdrawals. The account earns 2% annual simple interest. How much money did Jen earn in simple interest?
$22.50
The Centreville city council conducts a survey to find out how many people would be wiling to donate money to update the town's library. They randomly select 200 people for the survey, and 80 people say they would donate. If 9,800 people live in Centreville, about how many people would likely donate?
About 3,920
What is the value of q in the equation:
-.8(q - .5) = -2.6
3.75
What is the surface area of a cube with a side length of 10cm?
600 cm2
A group of 7th grade students from Franklin Middle School travel by train 108 miles in 2 1/4 hours. A group of 7th grade students from Washington Middle School travel by bus 91 miles in 1 3/4 hours. Which school's students are traveling at a faster average speed?
Washington School students are traveling faster
A computer game that originally cost $40 is on sale for $28. What is the percent decrease in the price of the game?
30%
In the data set {5,4,6,2,3} what is the MAD (mean absolute deviation)?
1.2 or 1 1/5 or 6/5
Solve for y:
y/4 - 3/5 = 13/20
5
What is the volume of a hexagonal prism with a base of 24 cm2 and a length of 15 cm?
360 cm3