Percent and Proportions

1.

4 points

A map has a scale of 3 inches:22 miles. The two cities are 9 inches apart on the map. How many miles apart are they? (do not include units)

2.

4 points

If you have 2 similar rectangles and the length of the small rectangle is 6 cm and the width is 4 cm, how long would the length of the larger rectangle be if the width of the larger one is 20 cm? (do not include the units)

3.

4 points

If 3 pounds of peanuts sell for $15, how many pounds sell for $45?

135

9

225

45

4.

4 points

Determine if the following set of ratios are proportions.

8/30 and 12/45

no

yes

5.

4 points

What is 45% of 180?

6.

4 points

If the exchange rate in Japan is $2 for 250 yen, how many yen would you have if you had $10? (do not include units)

7.

4 points

If there are 18 players on a basketball team and 50% of them can dunk, how many players can dunk?

9

36

900

18

8.

4 points

Solve the proportion.

15/20 = x/16

240

12

20

1/20

9.

4 points

When an item is on sale, is the final price more than, less than, or equal to the original price?

equal to

more than

less than

10.

4 points

Solve for x.

x/21 = 2/3

1.5

14

126

42

11.

4 points

Thirty-four is what percent of 680?

20

50

2000

5

12.

4 points

Shoes cost $50 per pair. They are on sale for 30% off. What is the sale price?

$35

$65

$15

$30

13.

4 points

When calculating unit rate, what should your denominator always be?

14.

4 points

A pole has a shadow that is 5 feet long. Jack's shadow is 3 feet long and she is 6 feet tall. How tall is the pole?

2.5

15

30

10

15.

4 points

Your restaurant bill is $20. The tip is 10%. What is the price of the TIP that you pay?

$0.02

$2

$18

$20

16.

4 points

When calculating the price of an item including sales tax, is the final price more than, less than, or equal to the original price?

equal to

more than

less than

17.

4 points

Thirty percent of the animals in a shelter are horses. If there are 6 horses, how many animals are at the shelter? (do not include units)

18.

4 points

The 8th grade class at MRMS is going on a field trip. There are 215 students going on 5 buses. If there is an equal amount of students on each bus, how many would that be? (do not include the units)

19.

4 points

Determine if the following set of ratios are proportions.

12/21 and 10/15

yes

no

20.

4 points

Can openers costs $13.56. The sales tax rate is 6%. What is the total price you have to pay?

$12.75

$13.62

$0.81

$14.37

21.

4 points

Which one of the following is NOT the correct way to write a ratio representing 15 cars to 11 trucks?

15:11

15/11

15 to 11

11/15

22.

4 points

Fifty-two is 50% of what number?

23.

4 points

There are 20 students in math class and 15% of them made an A last quarter. How many students made an A? (do not include units)

24.

4 points

Solve for x:
2/30 = 10/x

2/3

150

300

15

25.

4 points

If you can buy 3 pizzas for $24, how many can you buy for $96. (do not include units)