Mike_mm - 31.01.2016 23:37The ratio of red marbles to white marbles in a jar is 6 to 13. If there are 36 red marbles in the jar, how many white marbles are there?

Jason_Little - 01.02.2016 00:26There are 78 white marbles. proportion: a:b = c:d where ad = bc 6:13 = 36:x 6x = 13*36 6x/6 = 13*36/6 x = 13*6=78