Answer:
New length =
inches
New width =
inches
Explanation:
Given:
Length of rectangle is 7 inches
Width of a rectangle is 4 inches
The area is increased by 26 square inches when the length and width are increased by the same amount.
To find: new length and width
Solution:
With length of rectangle is 7 inches and width of a rectangle is 4 inches,
area = 7Ă—4 = 28 inches
Let length and width be increased by x inches
New length = x + 7 inches
New Width = x + 4 inches
New area =

Also, new area = 28 + 26 = 54 square inches.
So,

As dimension can not be negative,
is rejected.
So,

New length =
inches
New width =
inches