Question 198244
Let  D = no  of  Dimes,  and  N =  no  of  Nickels
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1)  .1 D + .05 N = 5.65
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2)  .1(2D) +.05( N+8)  =  10.45
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or  .2D +.05N +.40 =10.45
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or .2D +.05N = 10.05
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substract  2) - 1)
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.1D = 4.40
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D = 44
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Subst  in 1)  .1(44) + .05 N = 5.65
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4.4 + .05 N = 5.65
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.05 N =  1.25
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N = 25
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check,,1)  .1(44) + .05(25) = 5.65,,,,ok
2)  .1(88) + .05(33) = 10.45,,, ok