He will earn $480 after 2 years
Step-by-step explanation:
<h3>Part A</h3>
At least 30 miles but less than 50 miles each week.
<u>Required inequality:</u>
<u>In 4 weeks:</u>
<h3>Part B</h3>
- "At least" means equal or more than 30, hence 30 ≤ x
- Less than 50, hence x < 50
<h3>Part C</h3>
At least 8 but no more than 12 gallons of gas each week, with the cost $2.25 to $2.50 per gallon.
<u>Match the lowest and highest ends. This is converted as:</u>
<u>Simplified:</u>
