Question

the weight of W of an object on the moon varies directly as the weight E on earth a person who weighs 163lbs on earth weighs 32.6lb on the moon how much would a 142lb person weigh on the moon?

Answer 1

set up a proportion

163/32.6=142/x
solve for x.

Answer 2

Mw = k * Ew

32.6 = k 163

k = 32.6/163 = 2/10 = 1/5

Mw = 1/5 Ew

Mw = 1/5 142

Mw = 28.4 lbs

Answer 3

thanks i stepped away for awhile