40% of John's marbles is the same as 25% of Jack's marbles.John has 20 marbles.How many marbles does Jack have?

19. The number of of Kristen's marbles 25 more than that of 20% 1 3 was of John's marbles. They had a total of 315 marbles. Kristen gave John some marbles and the ratio of the number of marbles Kristen had left to the ratio of the number of marbles John had left became 29: 34. What was the number of marbles Kristen gave to John?

John had some marbles. 30% of them were blue and 20% of the remainder were white. The rest were yellow. He gave away all the blue and yellow marbles to his friends. What percentage of the marbles did he give away?

The ratio of the number of marbles Miko had to the number of marbles Cheko had was 2 : 1.Miko had 48 marbles at first.How many marbles must Miko give to Cheko so thatthe ratio of Miko's marbles to Cheko's marble would become 1 : 5?

Tony has 18 marbles.He gives Tina 50% of his marbles.Sameer gives Tony 10 marbles.Sid takes 3 marbles from Tony.How many marbles does Tony have in the end?1215164

Each marble bag sold by Melissa's Marble Company contains 5 red marbles for every 7 blue marbles. If a bag has 25 red marbles, how many blue marbles does it contain?bluemarbles