document.write( "Question 133752: A math 109 student must solve 270 problems for her college of the air class. If she solves 15 problems in 40 minutes then at this rate, how many hours will it take her to complete all 270 problems? \n" ); document.write( "

Algebra.Com's Answer #97867 by Earlsdon(6294) $\"\"$ $\"About$

You can put this solution on YOUR website!
You can use proportions to solve this problem:
\n" ); document.write( " $\"40%2F15+=+x%2F270\"$ In words... 40 mins to solve 15 problems is to x mins. to solve 270 problems. Simplify and solve for x.
\n" ); document.write( " $\"x+=+40%2A%28270%29%2F15\"$ Do the math.
\n" ); document.write( " $\"x+=+10800%2F15\"$
\n" ); document.write( " $\"x+=+720\"$ minutes. Divide by 60 to find the number of hours.
\n" ); document.write( " $\"x+=+12\"$ hours to complete 270 problems. \n" ); document.write( "

\n" );