Question

When Owen bought a remote-control helicopter, he agreed to pay a 9% shipping and handling charge. If Owen paid $4.86 in shipping and handling, how much must the helicopter have cost?

Answer 1

The helicopter costs 54 dollars and 9% of 54 is 4.86.

Explanation:

9% of what number = 4.86

... is equivalent to:

9% × ? = 4.86

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- Percent (%) means 'out of one hundred'-

(100 × 4.86) ÷ 9 =

486 ÷ 9 =

54