SOLUTION: 7.2 is 45% of what ?

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Question 919053: 7.2 is 45% of what ?
Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!

7.2 is 45% of x
45%=45%2F100
so, %2845%2F100%29x=7.2....solve for x
x=7.2%2F%2845%2F100%29
x=%287.2%2A100%29%2F45
x=720%2F45
x=16
so, 7.2 is 45% of 16