The area of a rectangular wall of a barn is 85 square feet. Its length is 12 feet longer than the width. Find the length and width of the wall of the barn.

Length = 17 feet, Width = 5 feet

Step-by-step explanation:

Given:

The area of a rectangular wall of a barn is 85 square feet.

Its length is 12 feet longer than the width.

Question asked:

Find the length and width of the wall of the barn.

Solution:

Let width of a rectangular wall of a barn =

As length is 12 feet longer than the width.

Length of a rectangular wall of a barn =

As we know:

Subtracting both sides by 85

As width can never be in negative, hence  width of a rectangular wall of a barn = = 5 feet

Length of a rectangular wall of a barn =

Therefore, length and width of the wall of the barn is 17 feet and 5 feet respectively.

the final amount you will pay is $68.04.

the tip is determined by the pre-tax amount, so we calculate the tip based on the original bill, not after we've added sales tax.

to find the tip:

we can divide 54.00 by 100 to get 1% of 54. then we multiply that by 18.

54 / 100 = .54

.54 x 18 = 9.72

tip = 9.72$

to find the tax:

we can divide 54.00 by 100 to get 1% of 54. then we can multiply that by 8 to get 8%.

54 / 100 = .54

.54 x 8 = 4.32

tax= 4.32

now we can add the tip and tax to the bill to get our total.

54 + 9.72 + 4.32 = 68.04

total: $68.04

step-by-step explanation: