The rear–most end of a 66 foot truck exits a 330 foot tunnel exactly 6 seconds after the front–most end of the truck entered the tunnel. If the truck traveled the entire tunnel at a uniform speed, what is the speed of the truck in miles per hour (1 mile = 5,280 feet)?  Select.
A) 225  B) 90  C) 45  D) 37.5  E) 27
total length will be 330+66= 
<gadget id="calculator">330+66</gadget>
<output>396</output>
396   time=6 secs   speed=396/6= 
<gadget id="calculator">396/6</gadget>
<output>66</output>
66 feet/sec   conversion to miles per hour=66*3600/5280= 
<gadget id="calculator">66*3600/5280</gadget>
<output>45</output>
45.   Answer 45
<result>C</result>
The rear–most end of a 66 foot truck exits a 330 foot tunnel exactly 6 seconds after the front–most end of the truck entered the tunnel. If the truck traveled the entire tunnel at a uniform speed, what is the speed of the truck in miles per hour (1 mile = 5,280 feet)?