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One way you could do this is multiply 40 by 30% which is the same as 40 x .3. I do it a faster way though. I take 10% of 40, which is 4 since you move the decimal point once to the right. Then I multiply 4 by 3 to get the correct answer of 12.

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Kianna Orn

Lvl 9
2y ago

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30 * 40% = 30 * 0.40 = 12

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Nash Towne

Lvl 10
3y ago
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Q: What is 40 of 30?
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