The expression for her brother Zac's age is (20 ÷ 2) + 6. Then the correct option is A.
What is Algebra?
Algebra is the study of mathematical symbols and the rule involves manipulating these mathematical symbols.
Jasmine is 20 years old.
Her brother Zac is 6 years more than half her age.
Half her age is given as (20 ÷ 2)
And her brother's age is 6 years more. Then add 6, we have
(20 ÷ 2) + 6
The age of her brother is 16 years.
More about the Algebra link is given below.
https://brainly.com/question/953809
