What is the perimeter of d 2.5 c 2.5 b 2.5a. 2.5

I think its 39

Step-by-step explanation: because when doing perimeter you multiply all the sides by each other ex: 2.5*2.5*2.5*2.5

72 fudge and 75 toffee

step-by-step explanation:

i hope this : )

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: