SOLUTION: Noah hired someone to mow his lawn each week. The person charged $20 fee and an additional $9 per square foot of lawn. Let a be area in sq ft, and let c be total cost of mowing.

Algebra.Com
Question 1058260: Noah hired someone to mow his lawn each week. The person charged $20 fee and an additional $9 per square foot of lawn. Let a be area in sq ft, and let c be total cost of mowing.
1. write the function c in terms of a

Answer by solve_for_x(190)   (Show Source): You can put this solution on YOUR website!
The total cost is:

c = 20 + 9a

RELATED QUESTIONS

a sand box 3.7 feet on each side is placed on a 77 and 1/3 foot by 75 foot lot. the rest... (answered by stanbon)
Larry, Mo, and Curly wish to mow 5900 square foot lawn. Larry can mow 70 square feet per (answered by josmiceli)
Tom can mow ½ the lawn in an hour when working alone. Jerry can mow ⅔ of the lawn in... (answered by Boreal)
twin brothers person a and person b, can mow their grandparents lawn together in 20... (answered by ewatrrr)
Tom, Dick & Harry each have a lawn mower and decide to mow a 5900 square foot lawn. Tom (answered by richwmiller)
Gardener A can mow an entire lawn in 1 hour less than gardener B .If they work together... (answered by psbhowmick)
I want to mow my lawn this summer but I need a new lawn mower. I can choose a riding... (answered by stanbon)
By​ himself, a person can mow his lawn in 60 minutes. If his daughter​ helps, (answered by fractalier,Boreal)
I am helping my daughter do her homework and we are stuck on this one. Please help me... (answered by mananth,josgarithmetic)