Jacob is saving for a new bicycle, which costs $175. He already saved $35. His goal is to have enough money saved in six weeks to pay for the bicycle. Which equation represents how much money he needs to save each week to meet his goal?

A. 35 + 6d = 175
B. 35 + 12d = 175
C. 6(35 + 2d) = 175
D. 2(35 + 6d) = 175