milliexmoo
milliexmoo
29-03-2018
Mathematics
contestada
What are the answers to both of these?
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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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