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April 18, 2015

Homework Help: math

Posted by B6 on Sunday, December 30, 2012 at 1:13pm.

The question is a principal is choosing between field trips. The final cost is $600. The second costs $240 plus $40 per student. For what number of students is the first trip less expensive. I got the 1st trip would be less expensive with more than 9 students. Is this correct?
x= # of students
600<240+40x is how I set it up
-240 each side
260<40x
9<x
did I do it correctly
Thanks for checking my answer

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