How many tens should be added to 212 ones and 100 to get 572?

Answer 1

Well, honey, to get from 212 to 572, you need to add 360. And since each ten is worth 10, you gotta add 36 tens. So, there you have it, add 36 tens to 212 ones and 100 to get to 572.

Answer 2

212 ones and 100 is 312. To that you need to add 26 tens to make 572.