Question

15) The width of a rectangle is 7 inches shorter than 4 times its length. The width of the rectangle is at most 56 millimeters. Which inequality can be used to find x, the length of the rectangle?

Answer 1

`4x-7\geq 56`

Explanation:

x represents the length, and 4 times the length will be 4x. 7 inches shorter indicates 7 less, or 7 subtracted from 4x. 4x-7, the width, is greater than or equal to 56, because the width will not exceed 56. Alternatively,
`56\leq 4x-7` would also be correct, just written differently. Depending on the strictness of your grading, I don't know which way your teacher wants it written.