The jacket is on sale for $36 which Is 80% of the original cost. What is the original price of the jacket?

Mathematics

2 answers:

kakasveta [241]3 years ago

8 0

43.20 dollars because it is 36$ + 80%

DENIUS [597]3 years ago

5 0

Answer:

Step-by-step explanation:

percent x whole = part

80%<em>w</em> = 36

.8w=36

divide .8 by both sides

w=45

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A rectangular exercise mat has a perimeter of 36 feet . The length mat is twice the width. Write and solve an equation to determ

Goshia [24]

ANSWER

72 square feet

EXPLANATION

The perimeter of a rectangle is given by:

P= 2l+2w

It was given that, the perimeter of the rectangular mat, is 36 feet.

36= 2l+2w

Divide through by 2.

$18 = l + w...(1)$

It was given also that, the length of the mat is twice its width.

This implies that,

$l = 2w ...(2)$

Put equation (2) into equation (1) to get,

$18 = 2w + w$

$18 = 3w$

$w = 6 \: ft$

This means that the length is 12 ft.

The area of the rectangular mat is

$A = l \times w$

$A = 6 \times 12 = 72 {ft}^{2}$