Millie bought [tex]2 \frac{3}{4} = \frac{4*2+3}{4}= \frac{11}{4} [/tex] pounds of cherries for $11
11/4 pounds cost 11 dollars
then 1 pound cost x dollars
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[tex]x= \frac{1*11}{ \frac{11}{4} }=11* \frac{4}{11}=4 [/tex] dollars.
Millie payed $2 more per pound.