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OpenStudy (anonymous):
Tommy runs 3/4 times as fast as Johnny. Also, Tommy gives Johnny a lead of 77 metre. Both of them reach at the same time. Find the length of the track.
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OpenStudy (anonymous):
sorry its 3*3/4
OpenStudy (anonymous):
77=15/4x, 308/15=x
OpenStudy (anonymous):
15/4*x=x+77
OpenStudy (anonymous):
15x=4x+308 x=28
OpenStudy (anonymous):
so 105 meter
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