Hey there! I'm happy to help!
Let's look at the factors of each of these numbers.
25
1,25
5,5
30
1,30
2,15
3,10
5,6
The greatest common factor between these is 5. Therefore, we divide 25+30 by 5 and put the 5 on the outside.
5(5+6).
This has the same value but it is just written differently.
Have a wonderful day! :D
Answer:
t = 5
Step-by-step explanation:

Subtract 19 from 39
Divide by 4
Austin should pay $75 the first month, and 37.50 for the remaining of the 2 months