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QThe ratio of the weight of an object on Mars to the weight of that object on Earth is 0.4 to 1
a

The ratio of the weight of an object on Mars to the weight of that object on Earth is 0.4 to 1


a.) How much would a 12-ton rocket weigh on Mars?


b.) How much would a 120-lb astronaut weigh on Mars?

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#1puzzledAnswered at 2014-04-15 12:19:13
The ratio of the weight on Mars to the weight on earth is {{{0.4/1 = 40}}}%. So you would just multiply the object's earth-weight by 40% (or 0.4) to get the object's Mars-weight. a) For the 12-ton rocket: {{{12(0.4) = 4.8}}}tons. b) For the astronaut: {{{120(0.4) = 48}}}lbs.
#2Mrs. JonesAnswered at 2014-04-15 12:27:42
A) .4/x:1/12 cross multiply x=.4*12 x=4.8 tons ---------------- B) .4/x:1/120 x=.4*120 x=48 lbs
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