Answer :
x - blue marbles (x>0)
2x - red marbles
There are at most 36 marbles.
[tex]x+2x \leq 36 \\ 3x \leq 36 \\ x \leq 12 \\ 2x \leq 24[/tex]
The greatest number of red marbles in the bag is 24.
2x - red marbles
There are at most 36 marbles.
[tex]x+2x \leq 36 \\ 3x \leq 36 \\ x \leq 12 \\ 2x \leq 24[/tex]
The greatest number of red marbles in the bag is 24.