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Mike is 4 years older than his sister Olivia. together they are 20 years old. How old is Olivia?


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Respuesta :

Answer:

Olivia is 24 years old

step by step

because Olivia is 20 years old and Mike is 4 years older than her so Olivia is 24 years old

MikeCheng

Answer: Olivia is 8 years old.

Step-by-step explanation:

"O" stands for Olivia

O+4 = M

O + O+4 = 20

2O +4=20

2O=16

2O/2 = 16/2

O = 8

Mike is 4 years older, so Mike is 12 years old

12+8 = 20

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