The Physical Education Deparment sells t-shirts for $12 and shorts for $8. One month, they sold 77 total items for $780 in total. How many t-shirts did they sell?

Question

The Physical Education Deparment sells t-shirts for $12 and shorts for $8.  One month, they sold 77 total items for $780 in total.  How many t-shirts did they sell?

drwls · Answer

Let T be the number of T-shirts sold and S be the number of shorts. T + S = 77 12 T + 8 S = 780 Solve the two simulatneous equations. 12T + 12S = 924 4S = 144 S = 36 T = 41

Ashley · Answer

41