help! due tommorrow

an assortment of coins contains 20 pennies, 2 nickels and 6 dimes what percentage of the coins are nickels?
( in the book the answer says 7% nickels)

i want to know how to work out the problem

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  1. didn't I just do this? http://www.jiskha.com/display.cgi?id=1315960681

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    bobpursley
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