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QUESTION

The weight of an object on the moon. varies directly as the weight of the objects on Earth. A 90-pound object on Earth weighs 15 pounds on the moon. If an object weighs 156 pounds on Earth, how much does it weigh on the moon?

##26## pounds

Let"

##E## = object's gravity on earth

##M##= object's gravity on moon

Given:

##E= kM##

##90 = 15k##

##90/15 = [15k]/15##

##6 = k##

##156= 6M##

##156/6 = [6M]/6##

##26 = M##

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