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Bouquets are to be made using white tulips and red tulips, and the rat [#permalink]
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16 Jun 2017, 04:46
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Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
A. 3 B. 5 C. 8 D. 10 E. 13
Since we should use all the tulips available, then the number of bouquets must be a factor of both 15 and 85. For example, we cannot have 2 bouquets since we cannot divide 15 white tulips into 2 bouquets without one tulip left over.
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
A. 3 B. 5 C. 8 D. 10 E. 13
Since we should use all the tulips available, then the number of bouquets must be a factor of both 15 and 85. For example, we cannot have 2 bouquets since we cannot divide 15 white tulips into 2 bouquets without one tulip left over.
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
A. 3 B. 5 C. 8 D. 10 E. 13
Let's use some prime factorization...
We have 15 white tulips and 85 red tulips 15 = (3)(5) 85 = (5)(17)
So, for the white tulips, we can create 5 groups of 3 flowers So, for the red tulips, we can create 5 groups of 17 flowers
This means we can create 5 BOUQUETS in which each bouquet has 3 red tulips and 17 white tulips In other words, the ratio of red tulips to white tulips is the same for each bouquet (3 : 17).
Re: Bouquets are to be made using white tulips and red tulips, and the rat [#permalink]
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03 Jul 2017, 23:09
AbdurRakib wrote:
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
A. 3 B. 5 C. 8 D. 10 E. 13
w=3*5 R=17*5
As 3 and 17 are prime numbers .In addition,we have to maintain same ratio and use all the tulips available at the same time . greatest number of bouquets that can be made using all the tulips=5
Re: Bouquets are to be made using white tulips and red tulips, and the rat [#permalink]
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07 Aug 2017, 10:05
AbdurRakib wrote:
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
A. 3 B. 5 C. 8 D. 10 E. 13
W Tulips = 15 = 5*3 R Tulips = 85 = 5*17 Both are multiples of 5 => W Tulips : Red Tulips = 3 : 17 per bouquet.
So we can have 5 bouquets from the available tulips.
_________________
Bouquets are to be made using white tulips and red tulips, and the ratio of the number of white tulips to the number of red tulips is to be the same in each bouquet. If there are 15 white tulips and 85 red tulips available for the bouquets, what is the greatest number of bouquets that can be made using all the tulips available?
A. 3 B. 5 C. 8 D. 10 E. 13
Since all the tulips should be used and since the white to red ratio must be the same in all the bouquets, the white to red ratio in each bouquet must be 15:85 or 3:17. Thus, for some integer x, the number of white tulips in each bouquet is 3x and the number of red tulips in each bouquet is 17x. So, each bouquet contains 3x + 17x = 20x tulips. To maximize the number of bouquets, we should take x to be as small as possible. In this scenario, since the number of tulips cannot be zero or a negative number, the smallest possible integer value of x is 1. Then, each bouquet contains 20(1) = 20 tulips and there are at most 100 / 20 = 5 bouquets.
Answer: B
_________________
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