document.write( "Question 994108: Rico can drive 2 times as fast as Luis can ride his bicycle. If it takes Luis 2 hours longer than Rico to travel 88 miles, how fast can Luis ride his bicycle? \n" ); document.write( "

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\n" ); document.write( "Rico can drive 2 times as fast as Luis can ride his bicycle. If it takes Luis 2 hours longer than Rico to travel 88 miles, how fast can Luis ride his bicycle?
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Let Luis’ speed be S
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document.write( "Then Rico’s speed = 2S
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document.write( "We then get the following time equation: 
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document.write( "176 = 88 + 2(2S) ------- Multiplying by LCD, 2S
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document.write( "176 = 88 + 4S
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document.write( "176 – 88 = 4S
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document.write( "88 = 4S
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document.write( "S, or Luis’ speed = , or  mph \n" );
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