Mike purchased a surfboard for $350. He paid $75 deposit and would pay as much as possible each week.

Week 1 - $75 (deposit)
Week 2 - $65
week 3 - $20
Week 4 - $30
Week 5 - $45
week 6 - $75

How much does Mike still have to pay?

a. $40
b. $45
c. $50
d. $55

29 POINTSSSSS! HURRYYYY!