It’s D
Let me know if you need an explanation!
Jack can swim 12 laps in 28 minutes. 28 minutes is 4 times greater than the time it took him to swim 3 laps. With 28 minutes he should therefore be able to swim 4 times as many laps. 3 times 4 equals 12
Find the hundreds place. The digit in it is 1. Now look at the digit directly to the right of it. The digit is 8. If the digit immediately before the digit you want to round is greater than or equal to 5, you round up. 8 > 5, so round up.
The rounded value is 3200.
Hope that helped you.
Answer:<u><em> I think it would have to be c) Sublimation</em></u>