document.write( "Question 934971: Leah drives 45 miles per hour for 2 hours, then 32 miles per hour for 75 minutes. What is her average speed for the whole trip? \n" ); document.write( "
Algebra.Com's Answer #568015 by vicgonzerx(31)![]() ![]() You can put this solution on YOUR website! D1=DISTANCE 1=VELOCITY X TIME =45MILES/HR(2HRS)=90MILES \n" ); document.write( "D2=DISTANCE 2=32MILES/HR(75MINS.X 1HR/60MINS.)= 40MILES \r \n" ); document.write( "\n" ); document.write( "AVERAGE VELOCITY =TOTAL DISTANCE /TOTAL TIME \r \n" ); document.write( "\n" ); document.write( "AV= (90+40)/(2+75/60)\r \n" ); document.write( "\n" ); document.write( "AV=40 MILES/HR.......ANSWER \n" ); document.write( " |