A sledgehammer weighs 18 pounds on Earth and 4 pounds on the planet Namar.
Based on the numbers, an 80–pound earthling would weigh about _____ pounds on Namar.

Question

A sledgehammer weighs 18 pounds on Earth and 4 pounds on the planet Namar. 
Based on the numbers, an 80–pound earthling would weigh about _____ pounds on Namar.

texaschic101 · Answer

18/4 = 80/x (18 earth lbs to 4 namar lbs = 80 earth lbs to x namar lbs
now cross multiply 
(18)(x) = (4)(80)
now do the math and solve for x.

anonymous · Answer

hey i ryd to but it would give me wrong numbers

texaschic101 · Answer

18x = 320
x = 320/18
x = 17.77 rounds to 18 lbs

anonymous · Answer

A sledgehammer weighs 18 pounds on Earth and 4 pounds on the planet Namar. 
Based on the numbers given, your weight on Namar would be about _____ times your weight on Earth.

anonymous · Answer

360