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A sandwich from Kellys consists of one type of bread, one meat, and o
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18 Oct 2022, 02:22
18 Oct 2022, 02:22
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A sandwich from Kelly’s consists of one type of bread, one meat, and one cheese.
Quantity A |
Quantity B |
number of sandwiches that can be made with roast beef |
number of sandwiches that can be made with provolone cheese |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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GRE Math Essentials (2022)
GRE Geometry Formulas
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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Joined: 25 May 2022
Posts: 25
Given Kudos: 1
A sandwich from Kellys consists of one type of bread, one meat, and o
[#permalink]
18 Oct 2022, 05:55
18 Oct 2022, 05:55
1
Expert Reply
This question deals with the basic counting rules.
Here, to make a sandwich one needs one type of bread and one type of meat, and one type of cheese.
Quantity A
number of sandwiches that can be made with roast beef
Quantity B
number of sandwiches that can be made with provolone cheese
The answer is B
Here, to make a sandwich one needs one type of bread and one type of meat, and one type of cheese.
- Since we are having 'and' in these choices so we must multiply.
Quantity A
number of sandwiches that can be made with roast beef
- This would be - Number of choices for Bread × Number of choices for Meat × Number of choices for Cheese
- \(=3 ×1 × 4 = 12\)
Quantity B
number of sandwiches that can be made with provolone cheese
- This would be - Number of choices for Bread × Number of choices for Meat × Number of choices for Cheese
- \(=3 × 5× 1 = 15\)
The answer is B
gmatclubot
A sandwich from Kellys consists of one type of bread, one meat, and o [#permalink]
18 Oct 2022, 05:55
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