Tom and Jasper have the same percentage of blue marbles in their bags of marbles. Tom has 10 blue marbles and 30 total marbles. Jasper has 12 blue marbles. How many of Jasper’s marbles are not blue?
Tom: 10/30 = 1/3 = 33 1/3% Blue marbles.
Jasper: 12/x = 1/3.
X = 36 Total marbles.
36 - 12 = 24 Marbles are not blue.