Answer:
OOF I MEANT A
Step-by-step explanation:
Michelle is in less debt than John
The graph is not proportional because it doesn’t go though the origin aka (0,0)
Bearing in mind that an absolute value expression is in effect a
piece-wise function with two cases, thus
It is 784 cubic inches so you are right
500 at 40 each = £20000
To make a profit he needs to make more than £20000
20 broke so he sold 500-20 = 480 at 45 each.
480 x 45 = 21600
Profit = 21600 -20000 = 1600
His profit was £1,600