Jayson spent ½ of his money for paper and ⅓ of it pencils. How much money did he start with if he had 15 left? Answer: His starting money is 90 pesos. Step-by-step explanation: Let x represent the unknown quantity x - 1/2x - 1/3x = 15 x + (-1/2x) + (-1/3x) = 15 Combine like terms 1/6x = 15 Multiply both sides by 6 1/6x (6) = 15 (6) x = 90 He started with P90. Checking: x - 1/2x - 1/3x = 15 90 - 1/2(90) - 1/3(90) = 15 90 - 45 - 30 = 15 15 = 15 CHECK #JuneChallenge
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