Eleri mows grass in her neighborhood. She charges $35 per yard. Eleri offers a discount to repeat customers, where she charges $3 less than the previous time to cut the grass. Suppose Eleri is cutting your grass for the 8th time. Which explicit formula describes how much she will charge your?
a)24-(n+1)(-3)
b)35-(n-1)(3)
c)35+(n-1)(-3)
d)30+(n-1)(8)
