I’m pretty sure the answer is D
Answer:
(a) The price for a revenue of $18,750 is $239.2.
(b) They sold 710 colonial houses and 2130 ranch houses
Step-by-step explanation:
(a) If the weekly revenue is defined as

then the price must be calculated as:

The roots of this function are

The first root is negative, so it is not a real solution. So the second root is the answer.
The price for a revenue of $18,750 is $239.2.
(b) Last year they sold three times as many ranch models (Hr) as they did colonial models (Hc):

The total amount of houses sold (colonial + ranch) is 2840

http://www.jiskha.com/display.cgi?id=1358210190
this will help you
Five taken away from n
n subtracted by five
Answer: 1000000
Step-by-step explanation: