Really basic question.. how on a calculator can I find say 5/7 of a number?
Im trying to figure out the following equation.
"If 3/7 of n is 42, what is 5/7 of n?"
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3/7 = 42
so 1/7 must be 42 divide 3 = 14
so 5/7 must 5 x 14 = 70
If anything, I think the calculator would be a hindrance here. It's easier to set up on paper , and less chances to make mistakes. The answer is 70, and n=98.
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