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  • 08-10-2019
  • Mathematics
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How many ways are there to make $20 using $10-bills, $5-bills and/or $1-bills?

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  • 08-10-2019

Answer: 8

Step-by-step explanation: 10+10

10+5+5

5+5+5+5

10+1+1+1+1+1+1+1+1+1+1

1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1

5+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1

5+5+1+1+1+1+1+1+1+1+1+1

5+5+5+1+1+1+1+1

10+5+1+1+1+1+1

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