Find

by plugging in 1 into n:

Find

by plugging in 11 into n:


Now to find the sum your formula is:


Now plug that into the formula


Hope that helps
Answer:
Exact Form: z = 0, -2/25
Decimal Form: 0, -0.08
Step-by-step explanation:
I used cymath.com. I highly recommend it. It shows you the steps to the problem you want to solve!
I hope this helps! :)
The last step is to solve for z
Chandra bikes 32 miles and Joey bikes 36 miles.