Answer:
20%, I think.
Explanation:
So, 10 x 5 is 50, making there be 5 tens in 50. As you know, percentage is out 100%, so what you have to do is 100 divided by five. This is because the 50 represents 100%, and there are, I repeat, 5 tens in 50. 100 divided by 5 is 20. Therefore, it is 20%.