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.
A. 4
B. 320
C. 18
D. 40

Respuesta :

it would weight 18lbs i believe

arie01
18x = 320

x = 320/18

x = 17.77 round to 18 lbs