+8 Eddie has some white, blue and yellow marbles. He has 4/5 as many white marbles as blue marbles and 120% as many blue marbles as yellow marbles.
(a) Find the ratio of the number of white marbles to the number of blue marbles to the number of yellow marbles.
(b) If Eddie has 869 marbles altogether, how many fewer white marbles than yellow marbles are there?
