James spent $20.16 on comic books. each book cost 0.72 he sold ea one for 0.20 less than he paid how much was received ftom selling books

5.6$

Step-by-step explanation:

total spent = 20.16$

cost of each book = 0.72$

number of books = 20.16/0.72 = 28 books

0.20$ margin on sales

total earning = 0.20*28 = 5.6$

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.

a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation: