8th Grade Story Problem Help

Question

Calab and his friend alexis are playing on the seesaw at the playground. Alex weighs 70 poundes. Calab and Alexis balance perfectly when Alex sits about 3 feet from the venter and Calab sits 2 and a half feet from the center. About hoq much does calab weigh

Answer 1

Let x = Caleb's weight.

 

2.5 ft        70 lbs

-------- =  ---------

 3 ft           x lbs

 

Solve for x.