a) Find the price of a school lunch for a child from a family of four whose family income is $ 74000.

$

b) Find a formula for

c) Evaluate

** A. ** It is the number of school lunches a child from a family of four whose annual income is 70000 must buy.** B. ** Is it the price of school lunches for a month for a child from a family of four whose annual income is 70000.** C. ** It is the price of a school lunch for a child from a family of four whose annual income is 70000.