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
3/5 i believe. if you take 7 and divide it by 2 its 3.5.
Answer: -9.999e+23
I don't know what you're up to.