Questions by Sergey Vakulenko

Questions by Sergey Vakulenko

An airplane took 4 hours to fly 2400 miles against headwind. The return trip with the wind took 3 hours. Find the speed of the plane in still air and the speed of the wind.

asked Apr 28, 2018

2 answers

2 votes

93.4k views

If adam and eve were the first and only people on earth how did we ger here?

asked May 7, 2017

2 answers

3 votes

150k views

Debbie shipped 2 packages. One weighed 2 pounds 10 ounces. the other weighed 4 pounds 12 ounces. what is the total weight of the two packages?

asked Jan 8, 2017

2 answers

5 votes

152k views

What was the outcome of the Battle of Tours?

asked Dec 21, 2016

1 answer

3 votes

114k views

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