Question

The weight of an object on Mars varies directly as its weight on Earth. A person who weighs 95 kg on Earth weighs 38 kg on Mars. How much would a 100 kg person weigh on Mars?


36.1 kg

40 kg

38 kg

41 kg

Answer 1

The weight of an object on Mars is directly proportional to its weight on Earth, so we can set up a proportion:

95 kg (Earth) = 38 kg (Mars)
100 kg (Earth) = x (Mars)

Using cross-multiplication, we get:

95 * x = 100 * 38
x = (100 * 38) / 95
x = 3800 / 95
x = 40

Therefore, a 100 kg person would weigh 40 kg on Mars.

Therefore, the correct answer is: 40 kg