total cost of squash racket and 5 balls is $105. Each squash ball costs $87 less than the racket. Find the cost of the racket.

Question

explain the answer

Answer 1

r + 5b = 105

 

b = r - 87

 

Substitute:

 

r + 5(r - 87) = 105

 

r + 5r - 435 = 105

 

6r = 540

 

r = 90

 

b = 3