milliexmoo
milliexmoo milliexmoo
  • 29-03-2018
  • Mathematics
contestada

What are the answers to both of these?

What are the answers to both of these class=

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sylvz213
sylvz213 sylvz213
  • 29-03-2018
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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