a lot
Yes they can lift it but may not be able to carry it too far.
109 lbs
4
You should weigh between 160-180.
I will say about 50-102 lbs. The max
maybe maybe not but it depends on his leg strength
You should not eat anything........
A very important variable you forgot to include is the height of the 14 year old.
uh yeah
He can lift 100 lbs. 2 times
Your standerd lift is 1.000 lbs