Respuesta :

carlottaLuxray
Well, since a is Susan’s current age, we would add three to a to get her age in three years
So our expression would be:
a + 3
AngelaSparkles
Hi there!

The expression you would use would be a + 3.

Because we do not know the age for present so it is unknown. But when you add 3 years to her present age it becomes a expression.

Hope this helps :)

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