ajayfurlow ajayfurlow

02-02-2019
Mathematics

contestada

Gabrielle's age is two times Mikhail's age. The sum of their ages is 84. What is Mikhail's age?

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htahir2345 htahir2345

02-02-2019

Answer:

28

Step-by-step explanation:

Mikhail's age:x

Gabrielle's age:2x

x+2x=84

3x=84

x=84÷3

x=28

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02-02-2019

Let x be Gabrielle’s age
Let y be Mikhail’s age
X=2y and x+y=84 so...
X=2y and x=84-y so by substitution of x,
2y=84-y
3y=84
Y=28

So Mikhail is 28
And Gabrielle is 56

Answer Link

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