What single percentage change is equivalent to a 8% decrease followed by a 13%increase?

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

42.4

step-by-step explanation:

convert to decimal

it is c, trust i got your back lol

step-by-step explanation: