document.write( "Question 814682: you has a combination of 28 quarters, nickels, and dimes. She has $3.15 total. She has three times as many dimes as quarters. Which of the following systems of equations represents the number of coins Erin has? \n" ); document.write( "

Algebra.Com's Answer #490439 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "28 quarters, nickels, and dimes, $3.15 total  0r 315¢
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document.write( "and three times as many dimes as quarters.
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document.write( "Let x represent the number of quarters and 3x the number of dimes
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document.write( " 25x + 10(3x) + 5(28-4x) = 315¢
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document.write( "   35x = 175
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document.write( "     x = 5
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document.write( " 5 Quarters, 15 Dimes and 8 Nickels
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document.write( "CHECKING our Answer***
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document.write( " 125¢ + 150¢ +40¢ = 315¢  or $3.15 \n" );
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