Find a point e on cd such as the ratio of ce to cd is 1/4
a. -7
b. -5
c. -3
d. -1

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:

answer: what do you mean