Question

Wilma earns $9 per hour at her job. Then she spent $15 on a birthday gift for her best friend. Write an expression to represent how much money Wilma has.

How much does Wilma have if she worked 3 hours today?

Answer 1

H = HOURS WORKED

9 X H - 15

She'll have 12$ if she worked for 3 hours today!

Explanation:

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Answer 2

Wilma has $12.

Explanation:

Since we don't know how many hours she worked, we know that Wilma earned 9x dollars at her job. Then she spends $15, so we can just subtract 15 from 9x.

`9x-15`

We can just replace the x with 3 to get:

`27-15\\12`

Hence, Wilma has $12.