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What are the answers to both of these?

What are the answers to both of these?-example-1
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User Jannick
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1 Answer

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When you want to increase percentage, you divide the percentage by 100 and add it to 1. When you want to decrease, you divide the percentage by 100 and take it away from 1.

Therefore, I think:
a) 429 X 1.31 = 561.99
b) 345 X 0.88 = 303.6
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User Pera
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