Ok, MissWalker! Please try your best to understand this, it may get confusing.
I have solved this on a different website, and here is my solving in a picture. I hope I helped!!! :D
Rounded to the nearest ten-thousand: 20,000
Rounded to the nearest thousand: 24,000
Answer: is there a picture?
Step-by-step explanation:
You can make it with 10 because 10%times 5% is 50%