Answer:
15
Step-by-step explanation:
If the line segment is IK, that means IJ+JK=IK. So, 7+8=15
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

Answer:
$2.69
Step-by-step explanation:
Distribution method:
.20(2.50, 4.95, 6.00)
(0.50, 0.99, 1.20)
Now add them up.
Non-distribution method:
$2.50 x .20 = 0.50
$4.95 x .20 = 0.99
$6.00 x .20 = 1.20
Add them up