document.write( "Question 960253: Jennifer rode her bike to the store at a rate of 15 mi/h. She rode back home at a rate of 10 mi/h. How far is it to the store if the round trip takes 1 hour? \n" ); document.write( "
Algebra.Com's Answer #586848 by Alan3354(69443)\"\" \"About 
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Jennifer rode her bike to the store at a rate of 15 mi/h. She rode back home at a rate of 10 mi/h. How far is it to the store if the round trip takes 1 hour?
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\n" ); document.write( "Avg speed of a round trip is
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\n" ); document.write( "2*r1*r2/(r1 + r2)
\n" ); document.write( "= 2*15*10/(25)
\n" ); document.write( "= 12 mi/hr
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\n" ); document.write( "RT distance = 12*1 = 12 miles
\n" ); document.write( "Distance to the store = 6 miles\r
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