Question 702273
X+Y=1500
X=1500-Y
12X+14Y=19650
12(1500-Y)+14Y=19650
18000-12Y+14Y=19650
2Y=19650-18000
2Y=1650
Y=1650/2
Y=825 $14 DOLLAR TICKETS WERE SOLD.
1500-825=675 $12 DOLLAR TICKETS WERE SOLD.7
PROOF:
12*675+14*825=19650
8100+11550=19650
19650=19650