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| Question 924684:  A gym charges a fixed registration fee and an $8 fee for each class taken. It costs a total of $115 if one attends 5 classes.
 A)write the equation in point-slope form to find the total cost y for taking  among of classes
 B)what is the fixed registration fee?
 C)what is the total cost for a member that takes 20 classes at the gym?
 Answer by TimothyLamb(4379)
      (Show Source): 
You can put this solution on YOUR website! b = fixed fee ---
 answer A:
 y = 8x + b
 ---
 115 = 8*5 + b
 b = 115 - 8*5
 b = 75
 ---
 answer B:
 b = fixed fee = $75
 ---
 answer C:
 y = 8x + 75
 y = 8*20 + 75
 y = $235
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