Answer:
y=15+12.5x
Explanation:
given data
chipping charge= $15
cost of 10 pair= $125
le the cost of 1 pair be x
given that 10 pairs cost $125
then 1 would cost x
cross multiply we have
10x=$125
x= 125/10
x=$12.5
therefore the equation for the solution is
let y be the total cost
y=15+12.5x