Question

The perimeter of a rectangle is (10x2).if it's width is (2x-1),which expression represents the length

a.5x-2
b.3x+2
c.8x+3
d.12x+1​

Answer 1

Answer: b. 3x + 2

Explanation:

2l + 2w = p

2l + 2(2x - 1) = 10x + 2

2l + 4x - 2 = 10x + 2

2l = 6x + 4

l = 3x + 2