Answer:

length = 16

width = 7

Step-by-step explanation:

length is (x +10)

width is (x +1)

area is 112

we should use trial and error method

try to substitute 6 as our x

a = lw

112 = (x +10)(x +1)

112 = (6 +10)(6 +1)

112 = (16)(7)

112 = 112