Answer:
$8
Explanation:
To find the unit rate, divide the given amount by the given quantity. In this case, we need to divide $68 by 8 1/2 hours.
First, let's convert 8 1/2 hours to a decimal.
8 1/2 hours = 8.5 hours
Next, we can divide $68 by 8.5 hours:
$68 ÷ 8.5 hours = $8 per hour
Therefore, the unit rate of $68 for 8 1/2 hours is $8 per hour. This means that the person is earning $8 for every hour worked.