Gabriella is three years younger than her sister, Amy. If Gabriella is 5 years old, how old is Amy? Write an equation
to solve

5+3 is Amy, so Amy is 8

Step-by-step explanation:

So, lets say amy is a

and gabriella is g

WE know that g=5, because gabriella is 5 years old

And, Gabriells is younger than Amy, so we need to add to get Amy's age

So, 5 ( Gabriella's age ) + 3=Amy

So, 5+3= Amy

So Amy is 8

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step-by-step explanation:

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the correct answer is 5 6 and 7