Respuesta :
Using the variable m for month
Club A: Club B:
19m+11 19m+11=18m+15 18m+15
-18m -18m
m+11= 15
-11 -11
m=4
Check 19(4)+11 = 87 18(4)+15= 87
total cost = 87
Club A: Club B:
19m+11 19m+11=18m+15 18m+15
-18m -18m
m+11= 15
-11 -11
m=4
Check 19(4)+11 = 87 18(4)+15= 87
total cost = 87
Club A is 11+19m
Club B is 15+18m
When they cost the same the two expressions are equal so:
11+19m = 15+18m
M. = 4
In 4 months the two health clubs will cost the same amount. The cost of each club is $87.