Here is a link to help you find the answer:
https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rati...
Hope this helps!
Answer:
4 12
3 18
5 20
7 42
5 15
Step-by-step explanation:
all of the above form a proportion
Since you're looking for the unit rate, you can start do this:

And yes,

is also correct, it's just switching around the 15
The 3 in 350 is in the hundreds place. the 3 in 403 is in the ones place
The answer is 3.92%
Explanation
Do 2 divided by 51
0.03921
Multiply your answer by 100
3.9215
Round to the nearest tenth
3.92%