document.write( "Question 352278: how to calculate the average spped of 520kmin8hours and ouestion 2 how to calculate the average speed of 255minutes in 15 sec \n" ); document.write( "
Algebra.Com's Answer #251823 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
how to calculate the average spped of 520kmin8hours
\n" ); document.write( "You have only 2 numbers, what are the possibilities?
\n" ); document.write( "520/8 = 65 km/hr
\n" ); document.write( "--------------
\n" ); document.write( "and ouestion 2 how to calculate the average speed of 255minutes in 15 sec
\n" ); document.write( "I don't know what that means.
\n" ); document.write( "
\n" );