harsi14 harsi14

19-10-2018
Mathematics

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The total of three sisters age is 39. Dina is half as old as Michelle and 3 years younger than Juliette. How old are the sister?

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ToothLin ToothLin

19-10-2018

D is 1/2 times M
D is J minus 3
D plus M plus J is 39
half M is J minus 3
D is 9
M is 18
J is 12

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