Question

A region satisfies the inequalities 1 ≤ x ≤ 5 and 2 ≤ y ≤ a. What value of a would give the region an area of 24 square units?​

Answer 1

Answer: 8

Explanation:

We can interpret this as a rectangle with dimensions
`5-1=4` by
`a-2`.

`4(a-2)=24\\\\a-2=6\\ \\ a=8`