Question 259644
X+100Y=750
X+150Y=1,050 SUBTRACT.
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-50Y=-300
Y=-300/-50
Y=$6 PER STUDENT.
X+100*6=750
X+600=750
X=750-600
X=$150 FIXED COST.
PROOF:
PROOF:
150+150*6=1,050
150+900=1,050
1,050=1,050