Question

You work for a florist. Normally, it’s takes you 20 hours to assemble 10 flower arrangements. How long does it take you to assemble one flower arrangement?

Answer 1

2 hours because 20/10 = 2

Answer 2

20/10= 2

That is 2 hours per flower arrangement.

So, 

One flower arrangement would take 2 hours to assemble.

I hope this helps!
~kaikers