Lisa is planning to buy oak fence to put around her (-7x-3) feet by (9x+2) feet rectangular garden. If each foot of oak fence costs $11, how much will the total oak fencing around her garden cost?

Given:

Dimensions of rectangular garden are (-7x-3) feet by (9x+2) feet.

Cost of oak fencing = $11 per foot

To find:

The cost of total oak fencing around her garden.

Solution:

Let,

Length of the garden, l = (-7x-3) feet

Width of the garden, w = (9x+2) feet

So, the perimeter of garden is (4x-2) fee.

Cost of oak fencing is $11 per foot. So, total cost is

Therefore, the total cost of oak fencing is 44x-22x.

answ9x x 3=

step-by-step explanation:

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.