Question 1054393
guests=x
cost for A=125x+6000
cost for B=100x+7500
When the costs are equal, the equations are equal
125x+6000=100x+7500
25x=1500
x=60 guests--at that number the costs will be identical, and they will be $13,500.
A will be 125(60)+6000=$13,500
B will be 100(60)+7500=$13,500