At a used bookstore, Cindy bought a paperback book for $1.75 and some children's books for $0.75 each. She spent a
total of $5.75. Which equation will find how many children's
books Cindy bought?
A. 1.75 -0.75x = 5.75
B. 1.75 +0.75x = 5.75
C. 1.75X + 0.75 = 5.75
D. 1.75% - 0.75 = 5.75

10

step-by-step explanation:

answer: about 22.67

step-by-step explanation:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)