SOLUTION: The problem is write a equation to show the relationship between n, the number of T-Shirts printed, and C, the total cost in dollars: T- shirts printing cost # of T-Shirts

Question 841122: The problem is write a equation to show the relationship between n, the number of T-Shirts printed, and C, the total cost in dollars:
T- shirts printing cost
# of T-Shirts Total Cost ($)
20 / 110
30 / 135
40 / 160
50 / 185
60 / 210
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
y=mx+b
135-110=m*(30-20)
25=10m
m=2.5
110=2.5*20+b
b=60
y = 2.5x+60
C = 2.5n+60

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