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.

Answer 1

im guessing this is a simple proportion problem

and that the radius of both planets are the same and thus it is only a diffrence of mass between the 2 planets

Answer 2

yes

Answer 3

write it out as a proportion

\[\frac{4}{18} = \frac{ x}{80}\]

then solve for the missing variable

Answer 4

oh dur dur thanx

Answer 5

no problem