Question

Use the five steps for problem solving to answer the following question. Please show all of your work.

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 1

The most or the least?

Answer 2

(1250 +15x) < (1200 + 17x)
where x is the no of sprinkler heads

Answer 3

ummm, it did not ask

Answer 4

x > 25
so x=26

Answer 5

in order to make A a better deal, Andrew will buy as many sprinkler heads so that A is charging less than B