If 3/10 of a number is 15, how much is 6 times that number?
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How can we write "3/10 of a number is 15" as an equation?
3/10x15/1
Let $\displaystyle x$ represent the number, since we don't know what it is. We are told that if we multiply this number by 3/10, the result is 15: $\displaystyle \frac{3}{10}\cdot x=15$ Now, we may solve this for $\displaystyle x$.
thanks
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