Aline passes through the origin and the point (3,5) what is the slope of the line?

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

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: