3 years ago, Ken was 4p4p years old. How old will he be in 5 years' time?

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Worked solution

7

1. Find Ken's current age

Since Ken was 4p4p years old 3 years ago, his current age is 4p+34p + 3.

2. Find Ken's age in 5 years' time

In 5 years' time, his age will be (4p+3)+5=4p+8(4p + 3) + 5 = 4p + 8.

Answer

(4p+8)(4p + 8) years old (option 3)

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