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A boat goes 30km upstream

A boat goes 30km upstream and 28km downstream in 10 hours. In 7 hours, it can go 21 km upstream and 21 km downstream then to
1. 1 answer
2. asked by kumar
3. 377 views
A boat has a 10 gallon gasoline tank and travels at 20mi/hr with a fuel consumption of 16mi/gal when operated at full throttle
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2. asked by GY
3. 716 views
A boat must cross a 260-m-wide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the
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2. asked by Chris
3. 582 views
A motorboat can travel upstream on a river at 18km/h and downstream at 30km/h. How far upsteam can the boat travel if it leaves
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2. asked by Kate
3. 575 views
A motorboat can travel upsteam on a river at 18km/h and downsteam at 30km/h. How far upstream can the boat travel if it leaves
1. 2 answers
2. asked by Ashley
3. 532 views
A motorboat can travel upsteam on a river at 18km/h and downsteam at 30km/h. How far upstream can the boat travel if it leaves
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2. asked by Ashley
3. 531 views
A boat travels 8km upstream and back in 2 hours. If the current flows at a constant speed of 3km/h, Find the speed of the boat
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2. asked by zshen
3. 652 views
A river flows at 3km/h. At what speed must a boat travel in order to make a 35km trip upstream in a time of 50 minutes?How long
1. 2 answers
2. asked by Babiinoob
3. 1,092 views
A boat travel 4 miles upstream with a current of 5 miles per hour. It takes 40 mminutes longer to go upstream. How fast does the
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2. asked by Kim
3. 738 views
The river boat paddled upstream at 12km/h, stopped for 2 h of sightseeing, and paddled back at 18km/h. How far upstream did the
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2. asked by bert
3. 981 views