document.write( "Question 808117: The excursion boat Holiday travels 35 km upstream and then back again in 4h 48min. If the speed of the Holiday in still water is 15 km/h, what is the speed of the current? \n" ); document.write( "
Algebra.Com's Answer #486747 by richwmiller(17219)\"\" \"About 
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r*t=d
\n" ); document.write( "(15+c)*t=35,
\n" ); document.write( "(15-c)*(4.8-t)=35
\n" ); document.write( "c = 2.5, t = 2
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