a gravel company sells gravel by the cubic yard and charges a flat delivery fee. The table shows the total cost, C, based on the amount of gravel, in cubic yards G.
What is the flat delivery fee (with 0 cubic yards of gravel), in dollars and cents
$_________
Answers
Given : a gravel company sells gravel by the cubic yard and charges a flat delivery fee. The table shows the total cost, C, based on the amount of gravel, in cubic yards G.
To find : What is the flat delivery fee (with 0 cubic yards of gravel),
Solution:
Let say Cost per cubic yard = m
flat delivery fee = f
G = amount of gravel, in cubic yards
C= Cost
C = mG + f
124 = 2m + f
220 = 5m + f
284 = 7m + f
316 = 8m + f
5m + f + 2m + f - (7m + f)
=> f = 220 + 124 - 284 = 60
m = 32
flat delivery fee (with 0 cubic yards of gravel), = 60$
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