Triplets

Three years ago, the triplets Pavel, Petr, and Luke and their five-year-old sister Jane had together 25 years. How old is Jane today?

Correct result:

j =  13

Solution:


(j-3) + 3(j-3-5) = 25

(j-3) + 3•(j-3-5) = 25

4j = 52

j = 13

Calculated by our simple equation calculator.



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