A rectangle has an area of 40 square units. The length is 6 units greater than the width. What is the dimensions is the rectangle?
A) 8 by 5
B) 10 by 4
C) 11 by 9
D) 13 by 7

a. the are of the rectangle is 18.25

b. 18.25 times two is 36.50

rae me : d

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45