$70 - 30%*$70 = $70*(100%-30%) = $70*70% = $70*.70 = $49

Check

30%*$70 = .30*$70 = $21

$70 - $21 = $49

Check

30%*$70 = .30*$70 = $21

$70 - $21 = $49

Check

30%*$70 = .30*$70 = $21

$70 - $21 = $49

$70 X 0.30=$21

Percent is of 1 so 100% = 1 and 30% =0.30

because you are asking (of 100%) which is 1

so 0.10=10%,0.20=20%,0.30=30%,0.40=40%,0.50=50%, and so on

Percent is of 1 so 100% = 1 and 30% =0.30

because you are asking (of 100%) which is 1

so 0.10=10%,0.20=20%,0.30=30%,0.40=40%,0.50=50%, and so on

You multiply 70 times .03

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