for a scool play, student tickets cost 40¢and adult tickets were 75¢. The total receipts for 90 tickets were $46.50. How many of each kind were sold?

Answer 1

46.5 = .4S +.9A

46.5 = .4S + .9A

465= 4S + 9A

90 =S + A

360 = 4S +4A subtract

105 = 5A

A = 105/5 = 21 adult tickets

S = 90-21 = 69 student tickets

.4(69) + .9(21) = 27,6 + 18.9 = $46.50