Multiple choice general knowledge math & puzzles How many more 5 you need to add to 22 to make it 47 9 5 7 4 Reveal answer Fill a bubble to check yourself B Correct answer Explanation To find how many 5s are needed, subtract 22 from 47 to get 25, then divide by 5. 25 ÷ 5 = 5, so you need to add 5 five times to reach 47.