Question 1191543
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John is planning to join a gym. Gym A charges a $100 sign-up fee to join plus $30 per month. 
Gym B has a smaller sign-up fee of $25 but charges $35 per month.
when will the two gyms charge the same amount?
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<pre>
    100 + 30m = 25 + 35m,


where m is the number of months.


From this equation

    100 - 25 = 35m - 30m

       75    =    5m

        m    =    75/5 = 15.


<U>ANSWER</U>.   The charges sare the same after 15 months.
</pre>

Solved.