Homework Help: math

Posted by jr on Wednesday, October 3, 2012 at 12:48am.

Yoga fun charges $63 starting war plus $12 per class. Yoga for all charges no starting fee and $15 per class. For how many classes will the cost be the sameat both places plz explain

math - Reiny, Wednesday, October 3, 2012 at 8:11am
Yoga fun: 63 + 12n
Yoga: 15n

when is 15n = 63 + 12n
15n - 12n = 63
3n=63
n = 21

21 classes would cost the same for either club

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