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3 years ago

How many different ways can you make 50 cents if you have 1 quarter, 5 dimes, and 10 nickels?

Mathematics

1 answer:

german3 years ago

5 0

Answer: There are 10 different ways!

Explanation:

You need to find non-negative numbers N, D, and Q so that:

5N + 10D + 25Q = 50

N + 2D + 5Q = 10

Q = 0 , 1 , 2

If Q = 1, then you have:

N + 2D = 5

Q = 1 , D = 2 , N = 1

Q = 1 , D = 1 , N = 3

Q = 1 , D = 0 , N = 5

N + 2D = 10

This gives the last solutions:

Q = 0 , D = 5 , N = 0

Q = 0 , D = 4 , N = 2

Q = 0 , D = 3 , N = 4

Q = 0 , D = 2 , N = 6

Q = 0 , D = 1 , N = 8

Q = 0 , D = 0 , N = 10

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guajiro [1.7K]

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3 years ago

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hoa [83]

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ss7ja [257]

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3 years ago

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3 years ago