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03 Jul 2019, 23:34
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B
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If a harbor cruise can shuttle 50 people per trip, and each trip takes 3 hours, how long will it take for 350 people to complete the tour?
A. 20
B. 21
C. 22
D. 23
E. 24
A. 20
B. 21
C. 22
D. 23
E. 24
04 Jul 2019, 02:01
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Bunuel
If a harbor cruise can shuttle 50 people per trip, and each trip takes 3 hours, how long will it take for 350 people to complete the tour?
A. 20
B. 21
C. 22
D. 23
E. 24
A. 20
B. 21
C. 22
D. 23
E. 24
total time for 350 people 350/50 * 3 ; 21 hours
IMO B
04 Jul 2019, 20:08
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IMO, 24 hrs. Option E
First trip the ship goes with 50 but returns empty.
Second trip it takes 2nd batch of 50 and returns with the First batch...
Seventh trip it takes the 7th batch of 50 and returns with the 6th batch.
To fetch the 7th batch, it has to take one more trip
So total 8 trips, 3 hrs each = 24 hrs.
Posted from my mobile device
First trip the ship goes with 50 but returns empty.
Second trip it takes 2nd batch of 50 and returns with the First batch...
Seventh trip it takes the 7th batch of 50 and returns with the 6th batch.
To fetch the 7th batch, it has to take one more trip
So total 8 trips, 3 hrs each = 24 hrs.
Posted from my mobile device
