Answer:
13 is two and two thirds of four and seven eighths.
Step-by-step explanation:
To solve this, all you need to do is divide 13 by 2 and two thirds. Let's do it:

Answer:
80
Step-by-step explanation:
check attached picture
Answer:
you add 17+6 and it would be x=23
Step-by-step explanation:
Answer: .
Step-by-step explanation: .
Answer:
r=-13
Step-by-step explanation:
9+r=-4
9- -9
r=-13