Meryl needs to cut down 10.5 trees for every 5 cabins she builds.

6.3, 14.7

Step-by-step explanation:

10.5 tress for 5 cabins, using 10.5/5 (2.1) we can assume there is 2.1 trees per cabin.

3*2.1= 6.3

7*2.1=14.7

the answers are 6.3 and 14.7. Put the 6.3 beside the 3 in the table and put the 14.7 beside the 7 or it'll be counted as incorrect.

ryan had a head start of 10 meters.

the answer is a beach is the best place to be