Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same

Answers

by definition, an arc subtended by a central angle of some given measure has the same measure. so (3x+18)^\circ=147^\circ.

answer: i think it is (1,-2)

$38m + $15=$31m + $78

$7m = $63

m = 9 months


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