To find the difference in height when the parasail is 150 of a kilometer above the water, we first need to interpret the given height. Assuming you mean "150 kilometers," that would be an extremely high altitude, typically above normal parasailing limits. However, if you actually mean \( \frac{1}{20} \) or \( \frac{1}{50} \) kilometers, let's clarify that instead.
If the height is \( \frac{150}{100} \) kilometers, this converts to 1.5 kilometers, and if it's supposed to be \( 150 \) meters, that would be \( \frac{150}{1000} = 0.15 \) kilometers.
Let's summarize the provided responses for the heights:
- \( 120 \) kilometers
- \( \frac{1}{20} \) kilometers (which is 0.05 kilometers)
- \( 150 \) kilometers
- \( \frac{1}{50} \) kilometers (which is 0.02 kilometers)
- \( 3100 \) kilometers
- \( \frac{3}{100} \) kilometers (which is 0.03 kilometers)
- \( 7100 \) kilometers
If the target is to find the difference from a reference point, say sea level, typically the height compared would be zero. So considering the parasail height of \( 150 \) (assuming it's 150 meters or \( 0.15 \) kilometers), your task seems to ask for how much lower than another height of 0 it is.
Hence, the effectively considered height among the options provided would likely fall under \( \frac{1}{20} \) based on similarities to the exemplary 150 meters (0.15 kilometers).
It seems the question might need clarification for providing an accurate difference in height since the difference typically calculates between two known values. If you could clarify, I would be glad to assist!