Suppose that the apple is X and the orange is Y. From the meaning of the question, X = 2Y X-180 = Y-30x-150 = Y Y =150. Bring X = 2Y into the problem. X=300 ∴ Apple is 300 Jin, and orange is 150 Jin.

20 14-06- 19

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reborn

Question 7 on page 60, just draw it yourself. Page 90 Question 2: X = 40; x = 70x = 80x = 100； Page X Question 5 = 1 15 90: Because the sum of the internal angles of a quadrilateral is: 360,360+540 = 900 900/180+2 = 5+2 = 7 900 ÷ 7 = 900/7.