INTERMEDIATE ALGEBRA

Mathematics
Tutor: None Selected Time limit: 1 Day

A TRAIN LEAVES ARKANSAS TRAVELING  NORTH 65 KILOMETERS PER HOUR. ANOTHER TRAIN LEAVES AT THE SAME TIME AND TRAVELS SOUTH AT 70 KILOMETER PER HOUR. HOW LONG WILL IT TAKE BEFORE THEY ARE AT 270 KILOMETERS APART?

IT WILL TAKE__ HOURS 

Jan 19th, 2015

since they are in opposite direction the speed =65+70 =135 kmph

Time for covering 270 kilometers =270/135 = 2 hours


Jan 19th, 2015

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Jan 19th, 2015
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Jan 19th, 2015
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