SOLUTION: A rectangular is 8 feetlong 6 feet wide. if each side increased by the same
amount,x,the area ofthe new rectangle is 120 square feet. find length and width of the new rectangle
Algebra.Com
Question 18686: A rectangular is 8 feetlong 6 feet wide. if each side increased by the same
amount,x,the area ofthe new rectangle is 120 square feet. find length and width of the new rectangle
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Start with the formula for the area of a rectangle:
The new length is (8+x) ft. and the new width is (6+x) ft. The new area is:
= 120 ft^2
Perform the indicated multiplication.
Rewite in standard form.
Solve by factoring.
Apply the zero products principle.
and/or
If , then
If , then Discard this solution as not meaningful because the new length and width cannot be negative.
The new length is: ft.
The new width is: ft.
Check:
The new area is 120 ft^2
= 120 ft.^2
RELATED QUESTIONS
A rectangle is 2 feet wide and 3 feet long. Each side is increased by the same amount to... (answered by ewatrrr)
Please help me with this!
A rectangle is 2 feet wide and 3 feet long. Each side is... (answered by lwsshak3)
a rectangle is 8 feet long and 6 feet wide. if each dimension is increased by the same... (answered by richwmiller)
a rectangle is 6 feet long and 4 feet wide. if each dimension is increased by the same... (answered by checkley77)
a rectangle is 24 cm long and 16 cm wide. when each dimension is increased by the same... (answered by oberobic)
The length of a rectangle is 8 feet longer than it’s wide. If each side is increased 8... (answered by Boreal,Alan3354)
The length of a rectangle is 6 feet longer than it is wide. If each side is increased 6... (answered by josgarithmetic)
A rectangular garden has dimensions 6m x 4m. If each dimension is increased by the same... (answered by josgarithmetic,ikleyn)
A rectangle is 8 inches and 12 inches long. If the dimensions are increased by the same... (answered by greenestamps,josgarithmetic)