Choose a variable and write a let statement. Write and solve an inequality to answer the question. Show your work. 1. Your friend needs to buy 8 notebooks that are each the same price. After he uses a $5 gift card, he can spend no more than $20. What is the maximum amount that each notebook can cost?

c is the final answer! : )

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides