What percent of 40 is 28?

1 Answer
Suren Abreu
Jan 13, 2017

70%70%

Explanation:

We consider the percent as xx. Hence:

40xxx/100=2840×x100=28

4cancel0xxx/(10cancel0)=28

Multiply both sides by 10/4.

x=28xx10/4

x=7cancel28xx10/(1cancel4)

x=70

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