An expression that represents Alison’s age is 1/2 S+12. Therefore option A is the correct answer.
Given that, Alison’s age is 12 more than half of Sam’s age.
We need to write an expression that represents Alison’s age, using S to represent Sam’s age.
What is an expression?
In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
Now, Sam's age=S
Alison’s age=1/2 S+12
An expression that represents Alison’s age is 1/2 S+12. Therefore option A is the correct answer.
To learn more about an expression visit:
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