A truck driver drove for 2 days. On the second day, he drove 3 hours longer and at an average speed of 15 miles per hour faster than he drove on the first day. If he drove a total of 1,020 miles and spent 22 hours driving during the 2 days, what was his average speed on the first day, in miles per hour?	Choose the correct answer:
A) 25.0 B) 30.6 C) 37.8 D) 40.2 E) 45.1
Day 1   2t+3=22   t=9.5   Day 2   t+3   9.5+3= 
<gadget id="calculator">9.5+3</gadget>
<output>12.5</output>
12.5   9.5r+12.5(r+15)=1020   r=37.8   Answer:37.8
<result>C</result>
A truck driver drove for 2 days. On the second day, he drove 3 hours longer and at an average speed of 15 miles per hour faster than he drove on the first day. If he drove a total of 1,020 miles and spent 22 hours driving during the 2 days, what was his average speed on the first day, in miles per hour?