Need to see how to workit out 5/5/2014 | Susan from Paducah, KY | 1 Answer | 0 Votes Mark favorite Subscribe Comment
How about multiplying by 10?: (50x10)/(2.5x10) It now becomes 500/25: 500 divided by 100 is 5; 100 divided by 25 is 4; 5x4 is 20; Check your answer: 2.5x20=50 5/5/2014 | Kyle M. Comment