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45 is 30% of what number?


Sagot :

Answer:

"what number" can be expressed as x, because we don't know what it is.

45 is 30% of x

45 = 30% of x

45 = 0.3 of x.

45 = 0.3*x ---Divide both sides by 0.3

45 ÷ 0.3 = x

45 ÷ 3/10 = x

45 * 10/3 = x

450/3 = x

150 = x

So x = 150

This means 45 is 30% of 150.

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