Question #347e3

1 Answer
seol
Sep 22, 2017

#0.001905%#

Explanation:

"What percent of 4200395 is 80?"
Since your percent is not given, it will be called #x%#.

This means: #x%# of #4200395=80#, or
#x/100\cdot4200395=80#.

To simplify, first divide 4200395 by 100. You get 42003.95...
#x\cdot42003.95=80#
Now to solve for #x# just divide.

#x=80/42003.95\approx0.001905#, so your percent is #0.001905%#

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