The length of a rectangle is 3 times the width. The perimeter of the rectangle is 56 inches. Determine the width of the rectangle

7

Step-by-step explanation:

56/2=28 (since the formula is w x l x 2)

28/4=7

Width is 7 inches and length is 21 inches.

7 + 21 = 28 x 2 = 56

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

ans789

step-by-step explanation: