Horatio bought a new bicycle on layaway. He made a $45 initial payment to the bike shop, and then agreed to pay $10 each week until the bike was paid for. Which
equation represents the relationship between x, the number of weekly payments,
and y, the total amount paid to the bike shop?
A. y x = + 45 10
B. y x = + 10 45
C. y x = − 10 45
D. y x = − 45 10