Answer
6 and 3 will fill the boxes respectively.
Step-by-step explanation
Each day, Katie rides her bike (7/10) miles
She then rides for 9 days
1 day = (7/10) mile
9 days = 9 × (7/10) mile = (63/10) mile
We can then convert (63/10) into mixed fractions,
(63/10) = 6 (3/10) miles
Hope this Helps!!!