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Marie has an abundant supply of 3-cent stamps and 8-cent stamps. She needs to mail a package that requires exactly $2 postage. How can she come up with exactly $2 using any combination or 3-cent stamps and 8-cent stamps?

(There is 9 different soultion. Did you observe any patterns?)

Guest Oct 14, 2018
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Here are your 9 solutions:
1 eight-cent + 64 three-cent stamps
4 .................+ 56...........................
7..................+ 48...........................
10................+ 40..........................
13................+ 32..........................
16................+ 24..........................
19................+ 16..........................
22................+  8...........................
25................+ 0............................

Sure, you can easily see the pattern!!. Every 3 eight-cent INCREASE, there is a corresponding DECREASE of 8 three-cent stamps.

Guest Oct 14, 2018

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