Question

There are red and blue marbles in a jar. One-third of the marbles are red. If another marble is added to the jar, then three-eights of the marbles will be red. How many marbles are blue?

Answer 1

so we have 3/8 red marbles. whats 8/8-3/8? @lizbeth456

Answer 2

8/8-3/8=5/8 so 5/8 are blue marbles.

Answer 3

@lizbeth456