The ratio is: 4 to 1
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80/4 or 20
It is: 20 to 1
% rate:= (80/20) x 100%= 4 x 100%= 400%
To find the unit rate, divide the price by the number of items. $5.60 / 7 = $0.80. The unit rate is 80 cents.
% rate = 20%=16/80* 100%= 0.2* 100%= 20%