isabelle63 isabelle63

22-02-2021
Mathematics

contestada

Gabrielle's age is two times Mikhail's age. The sum of their ages is 30. What is Mikhail's age?

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centauron114 centauron114

22-02-2021

g=2m

g+m=30

m=2m-30

-3m=-30

m=10

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