document.write( "Question 807854: A car travels 70 mph for 3 hours, 0 mph for 1 hour, 50 mph for 1.5 hours, and 60 mph for 4 hours. what is its average speed over the entire trip? \n" ); document.write( "
Algebra.Com's Answer #486561 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! r*t=d \n" ); document.write( "r=d/t \n" ); document.write( "3*70=210 \n" ); document.write( "50*1.5=75 \n" ); document.write( "60*4-240\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(210+75+240)/(3+1.5+4)=60.76 mph \n" ); document.write( " |