exam Maths Puzzle Numerical Ability

Preface: You are going to draw a random marble from a bag containing 5 red marbles, 8 green marbles and two blue marbles.

Question: What is the probability that you draw a red marble?
What are the odds that you draw a blue marble?

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exam Other Question

Graph y >- 3 - x Solve each of the following systems by substitution.
8x-4y=16
y=2x-4