Posted by **Kaito** on Monday, January 4, 2010 at 7:25pm.

How many ways can you get $1.05 using only nickels, dimes, and quarters

- math -
**Reiny**, Monday, January 4, 2010 at 7:45pm
I would create a table of values using

quarters, nickels and dimes

Q D N

4 0 1

3 3 0

3 2 2

3 1 4

3 0 6 Did you notice the pattern? take away 1 dime, add 2 nickels

2 5 1

2 4 3

2 3 5

2 2 7

2 1 9

2 0 11

1 8 0

1 7 2

...

1 0 16

0 10 1

0 9 3

0 8 5

...

0 0 21

Can you complete the chart and count the triples?

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