document.write( "Question 1099636: Alice has saved 5.00 in dimes, quarters, and half dollars. She finds that she has 30 coins altogether and there are four times as many quarters as there are half dollars. How many dimes does Alice have ? \n" ); document.write( "
Algebra.Com's Answer #714104 by ankor@dixie-net.com(22740)\"\" \"About 
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d = no. dime; q = no. of quarters; h = no. of half dollars
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\n" ); document.write( "Write an equation for each statement
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\n" ); document.write( "Alice has saved 5.00 in dimes, quarters, and half dollars.
\n" ); document.write( ".10d + .25q + .50h = 5.00
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\n" ); document.write( " She finds that she has 30 coins altogether
\n" ); document.write( "d + q + h = 30
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\n" ); document.write( " there are four times as many quarters as there are half dollars.
\n" ); document.write( "q = 4h
\n" ); document.write( " In the 2nd equation, replace q with 4h
\n" ); document.write( "d + 4h + h = 30
\n" ); document.write( "d + 5h = 30
\n" ); document.write( "d = (30-5h)
\n" ); document.write( "In the 1st equation replace d with (30-5h)
\n" ); document.write( ".10(30-5h) + .25q + .50h = 5.00
\n" ); document.write( "3 - .5h + .25q + .50h = 5.00
\n" ); document.write( ".50h - .50h + .25h = 5 - 3
\n" ); document.write( ".25q = 2
\n" ); document.write( "q = 2/.25
\n" ); document.write( "q = 8 quarters
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\n" ); document.write( "In the equation d + q + q = 30, replace q with 8
\n" ); document.write( "d + 8 + h = 30
\n" ); document.write( "d + h = 30 - 8
\n" ); document.write( "d + h = 22
\n" ); document.write( "Replace d = (30-5h)
\n" ); document.write( "30 - 5h + h = 22
\n" ); document.write( "-5h + h = 22 - 30
\n" ); document.write( "-4h = -8
\n" ); document.write( "h = -8/-4
\n" ); document.write( "h = 2 half dollars
\n" ); document.write( "Find d
\n" ); document.write( "d + 2 = 22
\n" ); document.write( "d = 22 - 2
\n" ); document.write( "d = 20 dimes\r
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\n" ); document.write( "\n" ); document.write( " How many dimes does Alice have ?
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