Answer: 62.7 pounds
Explanation:
Given : On Mars, an object weighs 38% as much as on Earth.
We can write 38% as 0.38 [We divide percent by 100 to convert it in to decimal]
If the weight of an person on Earth is 165 pounds, then his weight of Mars will be :-

Hence, the weight of person on Mars= 62.7 pounds