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Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in

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Bunuel
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Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   16 Mar 2017, 07:13
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Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in 4 hours. How many sandwiches can they eat in the company of one day?

A. 58
B. 48
C. 29
D. 20
E. 9
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A
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rohit8865
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   16 Mar 2017, 07:47
Bunuel wrote:
Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in 4 hours. How many sandwiches can they eat in the company of one day?

A. 58
B. 48
C. 29
D. 20
E. 9



in 1hr both will eat = 5/3 + 3/4 sandwiches
= 29/12 sandwitches
thus in 24 hr (1 day ) both can eat = 29*24/12 = 58 sandwitches

Ans A
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   16 Mar 2017, 07:56
Bunuel wrote:
Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in 4 hours. How many sandwiches can they eat in the company of one day?

A. 58
B. 48
C. 29
D. 20
E. 9


Ans is A

As in 1 hour Sam eat 5/3 and David 3/4.
So total in 1 hour are 29/12.
So in 1 day it is (29/12)*24 = 58
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adityapareshshah
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   16 Mar 2017, 09:39
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Bunuel wrote:
Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in 4 hours. How many sandwiches can they eat in the company of one day?

A. 58
B. 48
C. 29
D. 20
E. 9



Solution-
Number of Sandwiches Sam can eat in a day= 5* 8=40( Since it is given can Sam can eat 5 sandwiches in 3 hours)
Number of Sandwiches David can eat in a day= 3*6=18( Since it is given can David can eat 3 sandwiches in 4 hours)

Total number of Sandwiches both of them can eat in day = 40 + 18= 58
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   17 Mar 2017, 03:08
no of sandwich sam eats in a day = 5/3*24 = 40
no of sandwich dravid eats in a day = 3/4*24 = 18
total sandwich eaten in a day = 58
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   17 Mar 2017, 08:13
one day=24hrs

Sam consumes 40 sandwiches
David consumes 18 sandwiches

Total =58

Answer: A
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matthewsmith_89
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   17 Mar 2017, 13:13
24/3 = 8 x 5 = 40

24/4 = 6 x 3 = 18

=40 + 18 = 58 which is answer A
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink] New post   29 Dec 2021, 22:33
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Re: Sam can eat 5 sandwiches in 3 hours and David can eat 3 sandwiches in [#permalink]
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