Question

Someone help pleaseeee

Answer 1

Part A = D

Part B = 5 and 50

Explanation:

Part A:

area = 5*4x = 20x

so,
`100 \leq 20x \leq 1000`

Part B:

to leave it only by x, you divide both sides by 20

100/20 = 5, 1000/20 = 50

which
`5\leq x\leq 50`