ANSWERS:
.023
(1) .21
(2) .021
(3) .0021
(4) .0005
(5) 1.72
(6) .05
(7) .3765
PERCENT OF A NUMBER
To find a percent of some number, we change the percent to a decimal and multiply.
To find 12.5% of 128, we would change 12.5% to a
and then
.
Changing 12.5% to a decimal = .125.
(If you do not know how to change a percent to a decimal, see page 38.)
Now that we have converted 12.5% to the decimal .125, we are ready to
.
128
x .125
640
256
12.5% of 128 = 16.00
128
16.000
40
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