exam Maths Puzzle Numerical Ability

Yellow paint and blue paint must be mixed in the ratio 2:3 to produce the desired shade of green paint. How much of each color should be used to produce 4 L of green paint?

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exam Other Question
Can someone help me graph this problem. I have to put it on the computer and send.

I need to graph the following function:

f(x) = 2x - 5

Thanks,
Ashley Solve the following systems by graphing.
x - 2y = 8
3x - 2y = 12