Question

Which ratio correctly compares 60 mm to 45 cm?

A.
40 : 3

B.
2 : 15

C.
2 : 150

D.
4 : 3

Answer 1

First we need to convert cm to mm
45 cm = 450 mm

Now our ratio looks like this
60/450
We can divide both by 30 and once we do that our ratio will look like this:
2/15

That means the answer is B