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Julie is x years old
David is 3 years older than Julie
Omar is twice as old as David

Write an expression for the sum of Julie, David and Omar's ages

Respuesta :

apologiabiology
j=x
d=3+x
o=2d, o=2(3+x)=6+2x


j+d+o=x+3+x+6+2x=4x+9
juliemadonna1011
x+x+3+2(x+3)


Julie is x

David is x+3

Omar is 2(x+3)

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