What is 21% of 41? I think it is 10 but I'm not for sure.
3 answers
It is actually 8.4, but you were really close! Only 1.6 away!
But we don't post to use a calculator. It says to estimate.
Oh, ok. In that case, you would be right. And I didn't use a calender. I used my head, my own personal calculator.