Homework #3

Percent Problems:

1) What is 50% of 6?

2) What is 40% of 9?

3) 5 is what percent of 10?

4) 6 is what percent 25?

5) 4 is 25% of what?

6) 3 is 23% of what?

7) What is 45% of 5/8?

8) What is 39% of 5 5/7?

9) 4/5 is what percent of 13/5?

10) 76/4 is what percent of 4/3?

11) 5/6 is 43% of what?

12) 7/34 is 235% of what?

13) What is 4% of 4.5?

14) What is 45.5% of 7.34?

15) 5.3 is what percent of 4.5?

16) 56.664 is what percent of 34.443?

17) 4.3 is 43.33% of what?

18) 5.55 is 109.6% of what?

19) Change 32% into a decimal.

20) Change 4% into a decinal.

21) Change 99.99% into a decimal.

22) Change 145.3% into a decimal.

22) Change 0.32 into a percent.

23) Change 0.03 into a percent.

24) Change 2.23 into a percent

25) Change 1/4 into a percent.

26) Change 4/56 into a percent,.

27) Change 45% into a fraction.

28) Change 3.3% into a fraction.


Word problems:

19) A pair of shoes are marked at $100. If there is a 25% off sale, how much are the shoes?

20) A family at a restaurant get a bill for $55.50, and they decide to leave a 20% tip. How much do they leave altogether?

21) The population of gorillas is 75% of what is was last year. If there are now 200 gorillas, how many were there last year?

22) Joe was making $12.35 per hour, and then got a 3% raise. Now how much does he make per hour?

23) If Edna spent 6 hours per night sleeping, what percent of each 24 hour day is she asleep? What percent of each week?

24) Paul spends 15% of his monthly income on the lottery. If he spends $200 per month on the lottery, what is his monthly income?

25) Computo Inc. laid of 23% of its 2000 employees last week. How many of its employees kept their jobs?