Multiply 13 by 3
13 * 3 = 39 miles
Hope this helps :)

Make the denominators the same
Multiply the first fraction by 4, second fraction by 3 to get the same denominator

Add the numerators, denominators stay the same

Divide by 3 to numerator and denominator to simplify to lowest fraction
I suggest using Algebra Calculator by MathPapa. Hope it helps for ya.
Answer:
I think it might be (-12,7)
Step-by-step explanation: