Jason has 42 erasers and Richie has 30 erasers. After Jason gave some of his erasers to Richie, the number of game cards they have are in the ratio 1 : 2. How many erasers does Richie have in the end? (the answer will be revealed in a subsequent post)

Since c = d, a + b + d = 215 b = d + a (vertically opposite angles) c = (360 - 215) / 2 = 72.5 (Ans)

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