Question
The weight of an object on Venus is approximately 
of its weight on Earth. The weight of an object on Jupiter is approximately 
of its weight on Earth. If an object weighs 100 pounds on Earth, approximately how many more pounds does it weigh on Jupiter than it weighs on Venus?
- 90
- 111
- 140
- 230
The correct answer is: 140
We have given that ,
The weight of an object on Venus is approximately of its weight on Earth.
If an object weighs 100 pounds on Earth, then the object’s weight on Venus is given by ()100 = 90 pounds.
The same object’s weight on Jupiter is approximately of its weight on Earth; therefore, the object weighs ()100 = 230 pounds on Jupiter.
The difference between the object’s weight on Jupiter and the object’s weight on Venus
230 − 90 = 140 pounds.
Therefore, an object that weighs 100 pounds on Earth weighs 140 more pounds on Jupiter than it weighs on Venus.
Therefore correct option is C) 140
Option A is incorrect because it is the weight, in pounds, of the object on Venus.
Option B is incorrect because it is the weight, in pounds, of an object on Earth if it weighs 100 pounds on Venus.
Option D is incorrect because it is the weight, in pounds, of the object on Jupiter.
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