Let x = cost of the first book
Let y = cost of the second book
From the problem, we can form the following equations:
x + y = 65 (equation 1)
x - y = 9 (equation 2)
Write the equations: Two of Julie’s textbooks are a total of $65. The difference in price between the two books is $9. What is the cost of each book?
Let ___ = _____________
Let ___=______________
1 answer
1 answer