SOLUTION: Keith is lining both sides of his 27- foot long driveway with low-wattage lamps. He plans to install one at each end and place one every three feet. How many lamps should he buy?

SOLUTION: Keith is lining both sides of his 27- foot long driveway with low-wattage lamps. He plans to install one at each end and place one every three feet. How many lamps should he buy?

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Question 223838: Keith is lining both sides of his 27- foot long driveway with low-wattage lamps. He plans to install one at each end and place one every three feet. How many lamps should he buy?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
54/3+2=20
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