Sunday

February 1, 2015

February 1, 2015

Posted by **raghav** on Wednesday, June 4, 2014 at 8:02am.

- maths -
**Steve**, Wednesday, June 4, 2014 at 12:38pmif the bot has speed b, and the stream has speed s, then since time=distance/speed,

12/(b-s) + 40/(b+s) = 8

16/(b-s) + 32/(b+s) = 8

b=6

s=2

check:

12/4 + 40/8 = 3+5 = 8

16/4 + 32/8 = 4+4 = 8

**Answer this Question**

**Related Questions**

word problem - A motor boat took 4 hours to make a downstream trip with a ...

algebra - a boat goes 16 Km upstream and 24 Km downstream in 6hrs.it can go 12Km...

algebra - a boat goes 16 Km upstream and 24 Km downstream in 6hrs.it can go 12Km...

algebra - 36 Upstream, downstream. Junior’s boat will go 15 miles per hour in ...

algebra - Show a complete solution. Upstream, downstream. Junior’s boat will go ...

UPSTREAM - THIS EXURSION WITH A BOAT TRAVEL 35KM UPSTREAM AND THEN BACK AGAIN IN...

math - A boat travels 8km upstream and back in 2 hours. If the current flows at ...

maths - A motor boat goes downstream twice as fast as upstream. Find the power ...

Algebra - The time required for a trip 108 miles downstream on a steamer is 3 ...

Algebra. Please help(: - The time required for a trip 108 miles downstream on a ...