document.write( "Question 644295: The word problem I am stuck on is: A man travels 72 miles to his destination in 1.5 hours. During the first leg of his trip he encountered construction during which he traveled 30mph. The second leg of his trip he was able to travel 60mph. How much time was spent in the construction zone?\r
\n" ); document.write( "\n" ); document.write( "I am not sure where to begin with this problem. I know that t will = the time the man spent in the construction zone because it is the unknown. I converted hours to minutes, so 90 minutes I assume is a little easier to handle. But constructing a formula is where I feel like a deer in the headlights. Any help you can offer would be greatly appreciated! Thank you- Andrea \n" ); document.write( "
Algebra.Com's Answer #404943 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
A man travels 72 miles to his destination in 1.5 hours.
\n" ); document.write( " During the first leg of his trip he encountered construction during which
\n" ); document.write( " he traveled 30 mph.
\n" ); document.write( " The second leg of his trip he was able to travel 60 mph.
\n" ); document.write( " How much time was spent in the construction zone?
\n" ); document.write( ":
\n" ); document.write( "Let t = time spent in construction zone, going 30 mph
\n" ); document.write( "then
\n" ); document.write( "(1.5-t) = time spent driving 60 mph
\n" ); document.write( ":
\n" ); document.write( "Write a distance equation: dist = speed * time
\n" ); document.write( ":
\n" ); document.write( "30t + 60(1.5-t) = 72
\n" ); document.write( ":
\n" ); document.write( "Since you are dealing in mph, it's best to leave the time in hrs
\n" ); document.write( ":
\n" ); document.write( "Is this enough to get you started on this?
\n" ); document.write( " \n" ); document.write( "
\n" );