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Janet is twice as old as Doug, while Peter is 5 years older than Doug. If their ages are added the answer is 95 years. Use algebra to calculate the age of each of them.
explain any assumptions made, demonstrate all reasoning and show full working out

  • Maths -

    j = 2d
    p = d+5
    j+d+p = 95

    Now just solve for the ages

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