Work Shown
4 ears = $1.00
1 ear = $1.00/4 = $0.25 = 25 cents
9 ears = 9*($0.25) = $2.25
Another method
(4 ears)/(1 dollar) = (9 ears)/(x dollars)
4/1 = 9/x
4x = 1*9
4x = 9
x = 9/4
x = 2.25 dollars
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