Respuesta :
Answer by JKismyhusbandbae: $76.50
Explanation: Substitute 3 for m and simplify.
Work: (Attached in Picture)

the cost is given by the equation C=15.5m+30 where m is number of months and C is cost
if we want to find after 3 months, subsitute 3 for m and simplify
C=15.5(3)+30
C=46.5+30
C=76.5
the total cost will be $76.50