Jayson Spent \Xbd Of His Money For Paper And 2153 Of It Pencils., How Much Money Did He Start With If He Had 15 Left?

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

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