There are 3 red marbles and 8 blue marbles in a bag. (a) What is the ratio of all marbles in the bag to blue marbles? (b) What is the ratio of red marbles to all marbles in the bag?​

There are 3 red marbles and 8 blue marbles in a bag a What is the ratio of all marbles in the bag to blue marbles b What is the ratio of red marbles to all mar class=