<PRE><B>Question 100329</B>
A+S=1500 A=1500-S
3.5A+2S=3825 NOW REPLACE A BY(1500-S)
3.5(1500-S)+2S=3825
5250-3.5S+2S=3825
-1.5S=3825-5250
-1.5S=-1425
S=-1425/-1.5
S=950 ANSWER FOR THE NUMBER OF STUDENT TICKETS SOLD.
A+950=1500
A=1500-950
A=550 ANSWER FOR THE NUMBER OF ADULT TICKETS SOLD.
PROOF
3.5*550++2*950=3825
1925+1900=3825
3825=3825


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