3 years ago

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

Mathematics

1 answer:

Maslowich3 years ago

4 0

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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