Homework Help: math

Posted by es on Sunday, December 30, 2012 at 10:22pm.

Jake is making birdhouses to sell. The cost to make them is $80 for supplies plus $6.25 per birdhouse. He will sell them for $16 each. What is the minimum # of birdhouses he must sell to make a profit.
I got he must sell more than 8
I did it by setting up
80+6.25x<16x
-6.25 from each side
80<9.75x
80/9.75<9.75x/9.75
8<x
I think this is correct I just want someone to double check my answer.
Thank you

math - Reiny, Sunday, December 30, 2012 at 11:26pm
you are correct,
I would answer it as x > 8
math - Quidditch, Sunday, December 30, 2012 at 11:28pm
Looks good!

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