Unformatted text preview: equations: ( a ) 2 x + 3 y + 4 z = 5 ( b ) 7 x + 21 y + 35 z = 8 ( c ) 101 x + 102 y + 103 z = 1 . 5. Rosen 3.7 #16, pg. 139 A piggy bank contains 24 coins, all of which are nickels, dimes, or quarters. If the total value of the coins is two dollars, what combinations of coins are possible? 6. Rosen 3.7 #22, pg. 140 The post oﬃce of Davis is left with stamps of only two values. They discover that there are exactly 33 postage amounts that cannot be made up using these stamps, including 46 cents. What are the values of the remaining stamps? 1...
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 Spring '10
 anne
 Number Theory, Integers, Natural number, Prime number, Diophantine equation, Fermat factorization method

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