ignore this my answer was wrong . Sorry
Answer:
check this out
Step-by-step explanation:
The ratio of height : shadow =44/1313
Therefore height of the tree,x=3434*(44/1313)
=115.08 ft
If you meant 13 and 34 as the length of shadows respectively, then also x=115.08 ft
The is increasing by 2 3/8
So the answer is 12 3/4 miles on Friday
Hope this helps :)