Question

the perimeter of the rectangle is 28 units. what is the value of w? 5 units 7 units 14 units 15 units 2w - 1

Explanation:

Step1: Apply perimeter formula

$28 = 2[(2w - 1) + w]$

Step2: Simplify inside brackets

$28 = 2(3w - 1)$

Step3: Expand right side

$28 = 6w - 2$

Step4: Solve for w

$6w = 30 \implies w = 5$

Answer:

A. 5 units