Answer:
25 purple marbles
Explanation:
We Know
Each marble bag sold by Ryan's marble company contains 5 purple marbles for every 8 blue marbles.
If a bag has 40 blue marbles, how many purple marbles does it contain?
We Take
40 / 8 = 5
Then we take
5 x 5 = 25 purple marbles
So, there are 25 purple marbles in the bag/