Problema Solution
Andrew is having an irrigation system installed in his yard. Company A charges $1250 plus $15 per sprinkler head. Company B charges $1200 plus $17 per sprinkler head. How many sprinkler heads will Andrew need to have to make company A a better deal?
Answer provided by our tutors
Let h be the number of sprinkler heads Andrew buys. We have 1250 + 15h < 1200 + 17h 50 < 2h 25 < h Therefore, Andrew needs to buy 26 sprinkler heads to make company A the better deal.