Answer:
The spacecraft would weigh 500 kilograms on Titan.
Step-by-step explanation:
An object that weighs 105 pounds on Earth would weigh 15 pounds on Titan.
This means that the weighs on Titan are 105/15 = 7 times less than the weighs on Earth.
How much would a spacecraft that weighs 3500 kilograms on Earth weigh on Titan?
3500/7 = 500 kilograms
The spacecraft would weigh 500 kilograms on Titan.