Answer:
a. -14,2/3
b. -28,3
Step-by-step explanation:
there is hint for u in the book darling
you can refer example 4 in the same book
he needs at least 5800
5800/725
8
so he must sell at least 8 cars
There are only 45 cars on the lot, so that is the max he can sell
Choice C
8<=x<=45