faizahnoreen12 faizahnoreen12

19-10-2017
Mathematics

contestada

Bertie is x years old now. Four years ago, Chloe was twice as old as Bertie. Write an expression for Chloe's age now.

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jayjayangulo101 jayjayangulo101

19-10-2017

Your answer will be x+2X because she is twice his age which we do not know what the verrible is there for 2x will be her Age plus what Bertie age is. Hope this helps!! I would really appreciate if you mark my answer as brilliant!

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mathstudent55 mathstudent55

19-10-2017

Bertie is x years old now.
Four years ago, Bertie was x - 4 years old.
Chloe was twice Bertie's age 4 years ago, so 4 years ago,
Chloe was 2(x - 4), and 2(x - 4) = 2x - 8.
Now, Chloe is 4 years older than she was 4 years ago,
so now, Chloe is (2x - 8) + 4 = 2x - 4 years old.

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