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22-09-2019
Mathematics

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What is a 30 percent increase followed by a 15 percent decrease?

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22-09-2019

Answer:

10.5 increase.

Step-by-step explanation:

Suppose we have 100 .

30 percent increase = 100 + 0.3 * 100 = 130.

Followed by a 15% decrease = 130 - 130*0.15

= 110.5

which is a 10.5% increase on the original amount.

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