document.write( "Question 876290: A family travel 18 miles and returns. It takes 8 hours to make the round trip. their rate in still water is twice the rate of the current. Find the rate of the current. \n" ); document.write( "

Algebra.Com's Answer #528674 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "average speed =  = 4.5mph
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document.write( "r = 2c where c is the rate of the current
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document.write( "| |Multiplying thru by 3c so as all denominators = 1
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document.write( "    18 + 54 = 24c
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document.write( "         72/24 = c = 3mph\r
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