D3stiny513 D3stiny513

14-01-2021
Mathematics

contestada

Julie is the oldest sister. If her sister is 9, which is the same as 1/ 3 her age, how old is Julie?

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AthenAsGirl966 AthenAsGirl966

14-01-2021

Answer:

Julie is 27.

Step-by-step explanation:

If Julie's sister is one third of her age, that means 9(her sister's age) times 3 equals Julie's age.

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musicalpanda musicalpanda

14-01-2021

Julie is 27 because if you multiply 9 x 3 you get 27.
Equation: 9 = 1/3x
Multiply by three on both sides and you get: 27 = x

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