Percentage Increase and Decrease Word Problems

An accountant used to charge $60 per hour, but recently decided to charge 10% less. Now how much does she charge per hour?

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CCSS.7.RP.A.2

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Employees earned $28/hr.

Calculate their new pay rate after a pay increase of 4%.

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A medical provider is doing a study to determine the average time spent waiting before an appointment. When the study started, the average wait time was 40 minutes. Now, the average is 5% shorter.

What is the average wait time now?

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The Solar Systems business is growing. Last year, they hired 40 new employees. This year, they hired 25% more new employees than they hired last year. How many new employees were hired this year?

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The depth of a lake changes over time due to rainfall and evaporation. A few months ago, the depth was 55 m. Currently, the lake is 20% less deep. What is this year's depth?

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CCSS.7.EE.B.3

CCSS.7.RP.A.3

The Oxford Times had 848 subscribers last year. This year, after the paper was bought out, it had 75% fewer. How many subscribers were there this year?

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An X-Box game is advertised as 20% off. If it was marked as $70, find the sale price.

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CCSS.7.RP.A.3

A book's cost price is $45. If 10% GST is to be added, what is the selling price?

(Hint: add 10%)

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Chairs are marked at $19.99 each, but if you buy more than 10 you will receive a discount of 15%. What is the price of 12 chairs

(Hint: find the total cost for 12 chairs and then apply the discount!)

• 239.88

• 203.90

• 239.73

• 203.89

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CCSS.7.EE.B.3

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The number of people signed up for a bus trip increased by 42%.

If there were originally 36 people signed up, how many are now signed up for the bus trip?

• 52

• 51

• 15

• 78

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