A construction crew is lengthening a road. The road started with a length of

56
miles, and the crew is adding
3
miles to the road each day.
Let
L
represent the total length of the road (in miles), and let
D
represent the number of days the crew has worked. Write an equation relating
L
to
D
. Then use this equation to find the total length of the road after the crew has worked
39
days.

1 answer

L=56+3D

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