Question about Mathsoft Solving and Optimization Extension Pack III (46513) for PC

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Hi i need help.with a problem comparing coins.julian has 10 coins.sue ha 5 coins. there is a total of4 quarters.sue has more than $1 sue 'scoins are worth twice as much as julian'scoins. show julian's 10 coins how much coins julian has ? show sue's 5 coins how much money sue ha?

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WHERE: X=1 or X=5 or X=10 or X=50 or X=100

JULIAN: 10 = a + b
WHERE a = # of quarters held by Julian
AND b = # of X coins

SUE: 5 = c + d
WHERE c = # of quarters held by Sue
AND d = # of X coins

QUARTERS: 4 = c + a

SUE: 100 < c*25 + d*X

VALUE: (c*25 + d*X)/ 2 = (a*25 + b*X)

Try each possible value of 'X'.


Posted on May 14, 2010

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