Answer:
70
Step-by-step explanation:
Porque si haces 31-18=13
57-44=13 entonces están subiendo en 1e y luego haces 57+13=70
2 1/3+ 3 5/6+ 6 2/3
= 7/3+ 23/6+ 20/3
= 14/6+ 23/6+ 40/6
= 77/6
= 12 5/6
The final answer is 12 5/6~
It's the third one. It is the correct option.
I hope you understand....
15.12 miles/ 6.3 hours= 2.4 miles/hour.
The final answer is 2.4 miles per hour~
