Question

john had thrice as many stickers as Ken. After Ken had given away 12 stickers to his brother, John had 5 times as many stickers as Ken. How many stickers did John and Ken have in the end?

Answer 1

The number of stickers John and Ken have in the end is 6 and 18 respectively.

How to write and solve equation?

let

• Ken stickers = x
• John stickers =3x

New stickers

• Ken = x - 12
• John = 5x

x + x - 12 = 3x + 5x

2x - 12 = 8x

-12 = 8x - 6x

-12 = -2x

x = 12/2

x = 6

So,

Ken stickers = x

= 6 stickers

John stickers = 3x

= 3 × 6

= 12 stickers

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