Question 864552
A+C=56 MULTIPLY BY -8.50 & ADD.
8.50A+6.00C=436.00
-8.50A-8.50C=-476.00
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-2.50C=-40.00
C=-40.00/-2.50
C=16 CHILDREN TICKETS WERE SOLD.
A+16=56
A=56-16
A=40 ADULT TICKETS WERE SOLD.
PROOF:
8.50*40+16*6.00=436
340.00+96.00=436
436=436