Question

Martha is covering kitchen shelves with shelving paper. She has 6 shelves that are each 1 3 4 feet long. She buys 13 1 4 feet of shelving paper of the correct width. Which equation can be used to determine how much paper she will have left over?

Answer 1

She has 6 shelves, with 1$\frac{3}{4}$ each

So she will use 6*1$\frac{3}{4}$

this will be substracted from the total lenght, or 13$\frac{1}{4}$

So her leftover paper will be 13$\frac{1}{4}$-6*1$\frac{3}{4}$

Answer 2

The correct expression is 13 1/4 − 6(1 3/4) = S. You take the total amount you have and subtract how much you need, 6 shelves each 1 3/4 feet long.