The ratio of an object weights on Earth to its wieght on Neptune is 5:7. HOw much would a person who wieghs 150 pounds in Earth weigh on Neptune?

Answer 1

(Weight on Earth)/(Weight on Neptune) = 5/7

Thus the weight on Neptune is 7/5 or 1.4 times the weight on Earth.

A better value is 1.2. They may have been using older data. For a reference on this, see
http://www.enchantedlearning.com/subjects/astronomy/planets/neptune/

Answer 2

white a ratio the number 21% - 24%