exam Maths Puzzle Numerical Ability

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1/5(2x+5)=x+2/3

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exam Other Question

In a poker game, two people begin with equal sums of money. When the game ended, the loser had lost $50 more than a quarter of his money and the winner had twice as much money as the loser. How much money did each person have at the end of the game? Please help I do not understand this.
Find the first and third quartiles, q1 and q3, of the following set of numbers.
13, 4, 12, 16, 8, 14, 8, 3, 10, 8