How to solve:
Step 1 : Note down the given ratio from the questions.
Step 2 : <span>Find the greatest common factor, and divide the numerator and denominator by that value.
Answer: 3:7</span>
I think with the kinds of mixture problems, it's really helpful to make a table.
The equations you actually need are

and

. Since I was so close, I went ahead and just solved it anyway. You can see my setup on the attached image.
5 - [ - (-2)] =
5 - [ 2 ] =
5 - 2 =
3 <==
Answer:
Step-by-step explanation:
im pretty sure its the 1st one