60c+80=287
Let c stand for the cost of one square foot. with 60 square feet you get 60c. then add 80 for the installation fee.
Assuming she set up the problem vertically, she began subtracting from the left, instead if the right.
Answer:
Step-by-step explanation:
V= lwh/3
V= ((6)(11)(6))/3
V= 132 yd^3
