Sam rows up a river to camp in three hours. The next day he makes rhe return trip downstream in one hour. If he can row two mph in still water, how fast is the current?
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(2 - c)×3 =(2+c)
6-3c = 2 +c
4 =4c
c =1 m ph or 1 ×18/5 =18/5 kmph
6-3c = 2 +c
4 =4c
c =1 m ph or 1 ×18/5 =18/5 kmph
shaswat9:
but time 3 hours
how speed is 2-c
ok thanks
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