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QUESTION

Linear equation in two variable

Two men start from points A and B respectively , 42 km apart. One walks from A to B at 4 km/hr and another walks from B to A at a certain uniform speed. They meet each other after 6 hours. Find the speed of the second man .

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ANSWER

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*** ***** of ****** *** * x km/hrSpeed ** ***** *** * * km/hrDistance ******* **** ** ** kmThey **** ***** * hours Speed * Distance / ************ = Speed * ************** ******* by ***** man ** 6 ***** = *** * ** ********** covered by ****** man ** * hours = *** * ** ****** * ** = **** * 42 *** **** * *** * ***** = * *** **

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