Answer:
13 lol
Step-by-step explanation:
8 + 2 = 10 + 3 = 13
= 13
You can't convert miles into gallons those are two different units of measurement.
Step-by-step explanation:
1) 7/23 + 11/23 + 9/23
7+11+9/23
27/23
= 1 4/23
2) 2 5/7 + 9 4/7
11 9/7
= 11.12
3) 9/20 + 3/5
9+12/20
21/20
= 1 1/20 or 1.05