I did these, but the answers I got didn't match the ones in the back of the book.

If 135 is decreased by 75%, what is the new amount?

A number is decreased by 40% to 525. What is the original amount?

The cost of a pound of nails increased from \$2.36 to \$2.53. What is the percent of increase to the nearest whole-number percent?

Bert Davis is getting a 4.5% raise. His current salary is \$38,950. How much will his raise be?

Federal Department Stores dropped the price of a winter coat by 15% to \$149. What was the original price to the nearest cent?

1. 👍 0
2. 👎 0
3. 👁 89
1. 1)
135 * 0.233 = 33.75

2)
0.6x = 525
x = 525/0.6
x = 875

If so, you can refigure the rest.

1. 👍 0
2. 👎 0
2. Yes, thank you.

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2. 👎 0
posted by tmouery

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