Is there a picture or something?
Answer:
83
Step-by-step explanation:
82+87+83+77+70+80+88= 567
Then you divide that answer by the number of numbers you added by which is 7.
567/7= 81 so 83 was the missing number
Answer:
Yes
Step-by-step explanation:
Rewrite the mixed number into an improper fraction...
6 12/17 becomes 114/17
The definition of a rational number is any number a/b where b does not equal zero. 114/17 satisfies this requirement, so it is a rational number
0 yards remaining if she used one yard