A particular style of earrings costs the retailer $80 per pair. At what price should the retailer mark them so he can sell them at a 20% discount off the origi

Question

A grocery store bought ice cream for $2.80 per half gallon and stored it in two freezers. During the night, one freezer malfunctioned and ruined 12 half gallons. If the remaining ice cream is sold for $3.96 per half gallon, how many half gallons did the store buy if they made a profit of $66.16?

Answer 1

2.8t + 66.16 = 3.96(t - 12)

2.8t + 66.16 = 3.96t - 47.52

1.16t = 113.68

t = 98

 

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