Answer:
247 miles
Explanation:
Let x = number of miles driven
Given:
- Base fee = $19.99
- Charge per mile = $0.81
- Total paid = $220.06
⇒ 19.99 + 0.81x = 220.06
subtract 19.99 from both sides:
⇒ 0.81x = 200.07
divide both sides by 0.81:
⇒ x = 247
Therefore, he drove the truck for 247 miles