SOLUTION: the weight of an object on the moon varies directly with its weight on mars. if an object weighing 110 g on the moon weighs 250 g on mars, how much does an object weigh on the moon

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Question 1123755: the weight of an object on the moon varies directly with its weight on mars. if an object weighing 110 g on the moon weighs 250 g on mars, how much does an object weigh on the moon if its 100 g on mars?
Found 3 solutions by ikleyn, LinnW, MathTherapy:
Answer by ikleyn(52803)   (Show Source):
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Use the proportion = . From the proportion, find x = = 44 grams. Answer. It weights 44 grams on the moon.

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Answer by LinnW(1048)   (Show Source):
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x represents the weight in grams on the moon
Using cross products we have
100*100 = 250x
10000 = 250x
Divide each side by 250
10000/250 = x
40 = x
So, the 100 g object on Mars weighs 40 g on the Moon

Answer by MathTherapy(10552)   (Show Source):
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the weight of an object on the moon varies directly with its weight on mars. if an object weighing 110 g on the moon weighs 250 g on mars, how much does an object weigh on the moon if its 100 g on mars?

Correct answer: