document.write( "Question 612492: a stack of pennies and dimes has a totalvalue of 2.31. how many dimes are in the stack if there are twice as many dimes as pennies \n" ); document.write( "

Algebra.Com's Answer #385525 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi, 
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document.write( "twice as many dimes as pennies
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document.write( "Let x and 2x represent number of pennies and dimes respectively:
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document.write( "Question states***  CENTS amkes sense
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document.write( " 10(2x)+ x = 231
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document.write( "       21x = 231
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document.write( "         x = 11, number of pennies.  there are 22 Dimes
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document.write( "And:
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document.write( " $2.20 + $.11 = $2.31
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