Quiz about Rates

Question 1

There are 15 pieces of fruit in a bowl and 6 of them are apples. What percentage of the pieces of fruit in the bowl are apples?

Accepted Answer

40%

Answer

0.06%

Answer

0.4%

Answer

6%

Question 2

Lin runs 5 laps around a track in 6 minutes. How many minutes per lap is that?

Accepted Answer

1.2 minutes

Answer

5/6 of a minute

Answer

1 minute

Question 3

What is 25% of 2 hours?

Accepted Answer

30 minutes

Answer

45 minutes

Answer

0.3 hours

Answer

0.5 minutes

Question 4

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

Accepted Answer

$25 per hour

Answer

$50 per hour

Answer

$12 per hour

Answer

$192 per hour

Question 5

There are 60 cookies and 10 cupcakes leftover at a bake sale. What is the ratio of cookies to cupcakes?

Your answer must be in simplest form.

Accepted Answer

6:1

Answer

1:6

Answer

30:5

Answer

14:56

Question 6

8.  Find the unit rate of $97.50 for 15 pizzas.

Accepted Answer

$6.50 per pizza

Answer

$6 per pizza

Answer

$82.50 per pizza

Answer

$5.50 per pizza

Question 7

Simplify the ratio of
20 to 25

Accepted Answer

4 to 5

Answer

1 to 5

Answer

2 to 5

Answer

3 to 5

Question 8

Tommy has a bag of LEGOS. There are:

6 yellow

3 red

8 blue

What is the ratio in simplest form of red to yellow LEGOS?

Accepted Answer

1:2

Answer

6:3

Answer

2:1

Answer

3:6

Question 9

For 6 people to enter the park, it cost $36. How much would it cost for 9 people?

Accepted Answer

$54.00

Answer

$45.50

Answer

$48.00

Answer

$52.50

Question 10

Ella paid $15.00 for 6 gallons of gasoline. What was the price PER gallon?

Accepted Answer

$2.50

Answer

$0.40

Answer

$9.00

Answer

$0.90

Question 11

Daisy sour cream is $1.68 for 8 oz.

Kraft sour cream $2.08 for 16 oz.

Find the unit price of each and choose the better deal.

Accepted Answer

Kraft

Answer

Daisy

Question 12

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of music apps to all apps?

Accepted Answer

1 to 5

Answer

5 to 2

Answer

10:5

Answer

3:20

Question 13

A student earned a grade of 80% on a math test that had 30 problems.  How many problems on this test did the student answer correctly?

Accepted Answer

24 problems

Answer

17 problems

Answer

20 problems

Answer

18 problems

Question 14

There are 42 teachers that work in a school.  On Friday, 29 teachers were present.  What percent of the teachers showed up for work?

Accepted Answer

69%

Answer

50%

Answer

55%

Answer

80%

Question 15

There are 32 students in a class.  Nine of those students are women.  What percent are men? (Round to the Nearest Tenth)

Accepted Answer

71.9%

Answer

73.5%

Answer

32%

Answer

32.9%

Question 16

Last month, Karmin made $480 working for 30 hours. This month, she will get a 15% increase in the amount she earns per hour. What will be her hourly rate, in dollars per hour, after the raise?

Accepted Answer

$18.40

Answer

$480

Answer

$2.40

Answer

$15.00

Question 17

The ratio used to find percent is...

Accepted Answer

part/whole = %/100

Answer

part/whole = 100 / %

Answer

whole/part= %/ 100

Question 18

Cheerios 17 ounces for $3.68
or
Apple Jacks at $2.89 for 13 oz
Which is the better buy?

Accepted Answer

Cheerios

Answer

Apple Jacks

Question 19

Which option is the better deal?
Doritos
$4.39 for 11.5 oz
or
Cheetos
9.75 oz for $3.24

Accepted Answer

Cheetos

Answer

Doritos

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