SOLUTION: A jar has twice as many red marbles as white marbles and the ratio of blue marbles to white marbles in the jar is 3 : 5. there are only red, white, and blue marbles in the jar. if

Algebra ->  Probability-and-statistics -> SOLUTION: A jar has twice as many red marbles as white marbles and the ratio of blue marbles to white marbles in the jar is 3 : 5. there are only red, white, and blue marbles in the jar. if       Log On


   

Question 1078915: A jar has twice as many red marbles as white marbles and the ratio of blue marbles to white marbles in the jar is 3 : 5. there are only red, white, and blue marbles in the jar. if there are 2100 more red marbles than blue ones, how many marbles are in the jar altogether?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
blue 3:white 5:red 10
3x:5x:10x, meaning 18x marbles in jar
10x-2100=3x
7x=2100
x=300
blue,3x or 900
white, 5x or 1500
red, 10x or 3000
5400 marbles altogether.