3/5 * X = 15
3/5 ÷3/5 * X = 15 ÷ 3/5
X = 25
The total length is 25 miles
The similarity statement would be that all three of them have the same sides
The answer is -4.5
To solve these types of problems it's best to work backwards.
-2 - 16 = -18
4 x (n) = -18
n = -18/4
n = -4.5
Answer:

I don't really remember this very well, because it confusing me
The percentage would be 73% but idk the rest