Answer:
a. 40 yards
b. 30 more yards
Step-by-step explanation:
a. 30²+x²=50²
900+x²=2500
x²=1600
x=40
b. It would be 60 yards if she just went to the Elm cabin, but if she went down to the mess hall it would be 50 yards, and then 40 more yards to Elm. 90 is 30 more than 60.
(hope this helps!)
