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OpenStudy (anonymous):
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?
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OpenStudy (anonymous):
The most or the least?
OpenStudy (a_clan):
(1250 +15x) < (1200 + 17x) where x is the no of sprinkler heads
OpenStudy (anonymous):
ummm, it did not ask
OpenStudy (a_clan):
x > 25 so x=26
OpenStudy (a_clan):
in order to make A a better deal, Andrew will buy as many sprinkler heads so that A is charging less than B
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