A railroad crew can lay 6 miles of track each day. They need ti lay 174 miles of track. The length, L (in miles), that is left to lay after d days is given by the function.
L (d) = 174-6d
(A) How many miles if track does the crew have left to lay after 17 days?
___ miles
(B) How many days it will take the crew to lay all the track?
___ days
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