document.write( "Question 1027202: could you please awnser this rosie spent $2 on stamps she bout three times more 10 cent stamps than 20 cent ones how many of each did she buy thank you \n" ); document.write( "

Algebra.Com's Answer #642450 by ikleyn(53763) $\"\"$ $\"About$

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\n" ); document.write( "could you please awnser this: Rosie spent $2 on stamps. She bout three times more 10 cent stamps than 20 cent ones. How many of each did she buy? thank you.
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document.write( "Let x be the number of 20-cent stamps Rosie bought.\r\n" );
document.write( "Then the number of 10-cent stamps is 3x.\r\n" );
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document.write( "The \"value\" equation is \r\n" );
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document.write( "3x*10 + 20*x = 200,   or\r\n" );
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document.write( "30x + 20x = 200,   or   \r\n" );
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document.write( "50x = 200.\r\n" );
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document.write( "Hence,\r\n" );
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document.write( "x =  = 4.\r\n" );
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document.write( "Rosie bought 4 20-cent stamps and 3*4 = 12 10-cent stamps.\r\n" );
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