a person travelled a distance of 71 in 9 hours . He trvellednpartly by foot at 4km/h and partly by bicycle at 9km/h. find the distance travelled in foot.with explanation.pls answer fast
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Step-by-step explanation:
distance=71km
time=9hrs
the distance on foot be x
the distance on bicycle be 71-x
(x/4)+(71-x)/9=9
9x+284-4x=324
5x=324-284
5x=40
x=8
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