Question

Arnold had three pieces of different colored strings that are all the same length. Arnold cut the blue string into 2 equal size lengths. he cut the red string into 5equal-size length, and the green string into 10 equal-size. He needs to cut the strings so each color has the same number of equal-size lengths. What is the least number of equal size lengths each color string could have?

Answer 1

10

Explanation:

the least number of 2,5,10 is 10 .so we can cut red and blue pieces into 10 pieces each but green pieces stays the same. so we have total of 30 pieces.