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When you need to find a certain amount of a number, first try to divide the number by the number of parts in the whole.

Meaning 80, we need to find 3/8th's, so try to see If 80 can be divided by 8.

80/8 = 10. Which means that 1/8th of 80 is 10. Knowing this we can deduce that 3/8th of 80 is 30.

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14y ago

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