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1. |
When finding the percent of increase or decrease from one quantity to another, the amount of change is compared to ______. |
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A. |
the new quantity after the increase or decrease |
B. |
the amount of increase or decrease |
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C. |
100% |
D. |
the original quantity |
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Hint |
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2. |
A swimming suit was originally priced at $40. During a sale, the cost was reduced to $30. What was the percent of decrease in the price? |
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A. |
33 % |
B. |
50% |
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C. |
25% |
D. |
75% |
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Hint |
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3. |
In 1990, 5,283,055 people subscribed to cellular telephone service. In 1998, the number of people had risen to 69,209,321. To the nearest percent, find the percent of increase. |
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A. |
920% |
B. |
92% |
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C. |
1210% |
D. |
121% |
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Hint |
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4. |
Find the percent increase or decrease to the nearest percent.
original: 30
new: 24 |
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A. |
6% decrease |
B. |
20% increase |
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C. |
20% decrease |
D. |
6% increase |
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Hint |
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5. |
Alana wants to buy the new CD by the Raspberries. The CD costs $15.99, but since she was one of the first 50 customers that day, she gets a 20% discount. How much will the CD cost? |
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A. |
$19.19 |
B. |
$12.79 |
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C. |
$31.98 |
D. |
$3.20 |
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Hint |
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