Which distance did brook measure?
which distance did vivian measure?

Brooke measured from L to M and vivian measured from M to N

Step-by-step explanation:-6-->-2 is 4 and -2-->4 is 6

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: