Pia, lily and Eric each have the same lenght of ribbon.Pia cuts her ribbon into 10 equal pieces and uses 7 of them on a skirt. Lily cuts her ribbon into 3 equal pieces and uses 2 of them in her hairEric cuts his ribbon into 15 equal pieces and uses 12 of them to make a card.Who uses the most ribbon?
You have to turn the numbers into fractions so 7/10, 2/3, and 12/15. Now find the a commen denomanator which is 30 so 7/10 = 21/30, 2/3 = 20/30, 12/15 = 24/30 now you can find which one is bigger