420
x 0.3
------
1260
then move the decimal one place to the left because of the decimal in 0.3
126.0
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420
To find 85 percent of 420, you multiply 420 by 0.85 (which represents 85 percent as a decimal). So, 420 x 0.85 = 357. Therefore, 85 percent of 420 is 357.
420 / 30 = 14
Let 80% = 0.80 Then 0.80 x 420 = 336
30 times.