Mariah earns $9.5 per hour.
Given:
[tex]\to \text{time}= 3 \ hours\\\\\to \text{total eran}= \$28.50 \\\\[/tex]
To find:
earn per hour=?
Solution:
[tex]\to \text{time}= 3 \ hours\\\\\to \text{total eran}= \$28.50 \\\\[/tex]
calculate earn per hour:
[tex]= \frac{\text{total earn }}{ \text{time}}\\\\= \frac{28.50}{3}\\\\= \$ 9.5\\\\[/tex]
Therefore, the answer is "$9.5".
Learn more about the amount of money:
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