 
<translate> Ọ dị mkpa ka Lucy zụta mkpụrụ osisi poteto 10 x 1.2 = 12 pound. Ya mere, Lucy ga-akwụ 12 x 25 = 300 cents maka ya. Ebe ọ bụ na e nwere 100 cents na $ 1, ya mere, Lucy ga-akwụ 300 / 100 = 3 dollar. N'ihi ya, azịza ya bụ 3. <eng> Lucy needs to purchase 10 x 1.2 = 12 pounds of potato chips. So, Lucy will pay 12 x 25 = 300 cents for it. Since there are 100 cents in $1, thus, Lucy will pay 300 / 100 = 3 dollars.
Thus, the answer is 3. 