SOLUTION: (a) 30% of what number is 18? (b) 45% of what number is 135?

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Question 967592: (a) 30% of what number is 18? (b) 45% of what number is 135?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(a) 30% of what number is 18?
Equation:
0.3x = 18
x = 18/0.3
x = 1800/30
x = 60
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(b) 45% of what number is 135?
Equation:
0.45x = 135
x = 135/0.45
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x = 13500/45
x = 300
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Cheers,
Stan H.
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