# plllleaaaaaaaaaaaaaaseeeeeeeeeeeee heeeeeeeeeeeeeeelllllllllllllppppppppppp...its math!?

1. 7/8 = 87.5%.

A.

true

B.

false

2. 36% = 25/9.

A.

true

B.

false

3. 24% of 97 is about 25.

A.

true

B.

false

4. 85% of what number is 170?

5. What percent of 2 is 0.8? ____%

6. Find 150% of 12.

7. 26% of what number is 39?

8. Find the percent increase from 2 to 88. ____%

9. A store is having a 20% off sale. Find the sale price of a video game system that regularly costs \$249.99. \$____

10. Find the balance in an account starting with \$475 at 7% simplest interest for 3 years. \$____

11.

A swimmer wins 3 gold ribbons, 5 silver ribbons, and 1 bronze ribbon during a season. Suppose she chooses a ribbon from her collection at random. The P(silver) = 5/9.

A.

true

B.

false

12. Compare 1/3 __ 0.34.

A.

<

B.

>

C.

equal to

13.

Suppose you roll two cubes. Each cube has the numbers 1, 2, 3, 4, 5 and 6 on its faces. The P(sum greater than 8) = 3/4.

A.

true

B.

false

14. Compare 2/7 ____ 0.24.

A.

<

B.

>

C.

equal to

15.

During January 2005, 2.27 inches of precipitation fell in Maine. Only 0.90 inches of precipitation fell in Maine during January 2004. The percent of change to the nearest tenth of a percent is 152.2%.

A.

true

B.

false

16.

The area of Iowa is about 55,869 square miles. Missouri's area is about 123.3% of Iowa's area. The area of Missour is about 65,000 square miles.

A.

true

B.

false

17.

1/4, 2/9, 20.9%, and 0.2 are in order from least to greatest.

A.

true

B.

false

18.

Which list shows the numbers in order from least to greatest?

A.

0.63, 25/42, 0.6, 1/2, 62 1/2%

B.

1/2, 0.63, 0.6, 62 1/2%, 25/42

C.

25/42, 0.6, 62 1/2%, 0.63, 1/2

D.

1/2, 25/42, 0.6, 62 1/2%, 0.63

19. 12 is 50% of what number?

20.

Emily saw a dress she liked for \$60. The following week, the dress was on sale for \$45. By what percent was the dress marked down?

A.

1.30%

B.

25%

C.

33%

D.

75%

21.

Nick deposited \$2,500 in an account that earns 6% simple interest. How many dollars will be in the account after 7 years? \$____

22.

Rebecca is playing a game with a number cube. If she rolls a number greater than 4, she will win the game. What is the probability that Rebecca will win?

A.

1/6

B.

1/3

C.

1/2

D.

2/3

23.

About 30% of the 126 students in Tanner's class play a musical instrument. Which proportion can be used to find n, the number of students who play an instrument?

A.

n/100 = 30/126

B.

126/n = 30/100

C.

126/30 = 100/n

D.

n/126 = 30/100

24. The amount by which the price of an item on sale is reduced is the discount.

A.

true

B.

false

25. A(n) event is any of the possible results that can occur in an experiment.

A.

true

B.

false