Question

What is 30% of $40 is

Answer 1

$12

Explanation:

Answer 2

$12

Explanation:

"Of" means "times" in this context:

30% × $40 = 30/100 × $40 = $12

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% is a fancy way to write /100, so 30% = 30/100 = 0.30 (thirty hundredths).

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Since you're familiar with decimal multiplication, you know that you can rewrite this problem as ...

30/100 × $40

= 3/10 × $40

= 3 × ($40/10)

= 3 × $4

= $12