Question

anna and boris thought of 1 number each. anna's number increased by 20 is 21 greater than boris' number decreased by 22. how much greater is boris' number than anna's number

Answer 1

21

Explanation:

Say that anna's number = 1

1 + 20 = 21

21 = (boris' number - 22) + 21

22 - 22 = 0

0 + 21 = 21

Therefore the numbers are 21 apart

Sorry if its unclear, wasnt sure how to word this