SOLUTION: a bag contains black, white, and red marbles. the number of white marbles is 2 more than the number of black marbles, and the number of red marbles is 4 times the number of white m
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Question 1134477: a bag contains black, white, and red marbles. the number of white marbles is 2 more than the number of black marbles, and the number of red marbles is 4 times the number of white marbles. which of the following could be the total number of marbles in the bag?
a) 53
b) 48
c) 26
d) 46 Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! black are x
white are x+2
red are 4(x+2)
Their sum is 4x+8+x+2+x, or 6x+10
It has to be an even number.
Ten subtracted from the choices above has to be evenly divisible by 6
46 would work with 6 black, 8 white and 32 red
