2:x and 12:18

a.3
b.4
c.6

9 answers

2:x and 12:18

2/x = 12/18

Cross multiply

12x = 36

Solve for x.

x = 36/12 = 3
okay so that's how i do it
Yep.
i neeed more
More what?
explanation a easier way
to doit
That is the easiest way. I urge you to learn how to set up and solve proportions. They have helped me a lot throughout my long life -- starting about 8th grade.
i don't understand