Was the ratio of 2: 7 equivalent to

4:14

because 2*2 is 4 and 7*2 is 14

c. 4 and 1/2 pounds is the answer! : )

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: