document.write( "Question 620333: a pump uses 3.8 litres of diesel in 45 mins, how much will it use in 8 hours \n" ); document.write( "
Algebra.Com's Answer #390207 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a pump uses 3.8 litres of diesel in 45 mins, how much will it use in 8 hours \n" ); document.write( "convert 45 min to .75 hrs, and use a ratio equation where \n" ); document.write( "x = no. of liters used in 8 hrs \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( ".75x = 3.8 * 8 \n" ); document.write( ".75x = 30.4 \n" ); document.write( "x = 30.4/.75 \n" ); document.write( "x = 40.53 liters consumed in 8 hrs \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "You can check this using another method: \n" ); document.write( "Find how many liters consumed in 1 hr \n" ); document.write( "3.8/.75 = 5.067 liters per hr \n" ); document.write( "Find how many consumed in 8 hrs \n" ); document.write( "8 * 5.067 = 40.53 liters \n" ); document.write( " |