Answer:
Looking at the example Alana will walk. 15.23 miles in two days
step-by-step explanation:
Looking at the example and using place value system
8.63 + 6.60= 15.23 miles
If you graph it, it looks linear.
There are many like
1(10)+10-1=19
18+1=19
30-11=19
15+4=19
Hope this help!!