Answer:
22.1$ = 2.6 pound
x = 1 pound
so when we criss cross
22.1$ X 1 pound = 2.6x pound
22.1 = 2.6x
22.1/2.6 2.6x/2.6
X=22.1/2.6
x=8.5
so it costs 8.5$ per pound
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