SOLUTION: The weight that can be safely supported by a​ 2- by​ 6-inch support beam varies inversely with its length. A builder finds that a support beam that is 8 feet long will

Algebra ->  Radicals -> SOLUTION: The weight that can be safely supported by a​ 2- by​ 6-inch support beam varies inversely with its length. A builder finds that a support beam that is 8 feet long will       Log On


   



Question 1097317: The weight that can be safely supported by a​ 2- by​ 6-inch support beam varies inversely with its length. A builder finds that a support beam that is 8 feet long will support 900 pounds. Find the weight that can be safely supported by a beam that is 18 feet long.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
y=k/x
900=k/8, k=7200
use k in next part
y=7200/18=400 pounds.