Answer:
1/8
Step-by-step explanation:
5 green marbles
40 marbles in total
so 5/40
And that simplifies to 1/8
you need to get a common denominator
the common denominator is 40
3/8 * 5/5 = 15/40
2/5 * 8/8 = 16/40
25 15/40 < 25 16/40 so Karen rode farther
2/3 * 1/8 = 2/24 = 1/12
