At a used book sale, each paperback book cost x dollars and each hardcover book cost y dollars.
- One customer purchased 7 paperback books and 5 hardcover books and paid $10.80.
- Another customer paid $9.45 and purchased 4 paperback books and 6 hardcover books.
What system of equations can be used to find the cost of 1 paperback book and the cost of 1 hardcover book?
Move the correct answer to each box. Each answer may be used more than once. Not all answers will be used.
_____x + _____ y = ______
_____x + _____y = _______
the numbers that can be used are
A.) 3
B.) 5
C.) 6
D.) 7
E.) 9
F.) 9.45
G.) 12
H.) 10.80
I.) 20.25
The system of equations can be set up as follows:
7x + 5y = 10.80
4x + 6y = 9.45
The correct answer is:
7x + 5y = 10.80
4x + 6y = 9.45