document.write( "Question 288184: The price of a magazine subscription rose 4% this year. If the subscription now costs $26, how much did it cost last year?\r
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document.write( "I used $26 divided by .04 = $850. I took $26.00 and subtracted $$8.50 to equal $19.50 which looks about right to me, but the decimal was in the wrong place, so I don't know what formula I should have used, because this one is definitely wrong. \r
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document.write( "Please tell me the correct formula to use! (The problem below is not a second problem, just another problem with a known answer that I used to attempt to figure out the formula for the actual question above)\r
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document.write( "I've been using the problem: \"The price of a computer fell 20% this year. If the computer now costs $750, how much did it cost last year?\" to figure out how to solve the above problem since I know the correct answer to the computer problem is $ 937.50, but I can't solve it.
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document.write( "I used:
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document.write( "$750 divided by 20= $150, then added $750 to $150 to equal $900, which is $37.50 short of the book's answer of $937.50. Each way I've tried brings me to $900.
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Algebra.Com's Answer #208867 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! magazine problem \n" ); document.write( "1+.04=1.04 \n" ); document.write( "1.04x=26 \n" ); document.write( "x=25 \n" ); document.write( "another way \n" ); document.write( ".04=1/25 \n" ); document.write( "1/25*25=1 \n" ); document.write( "add 1+25=26\r \n" ); document.write( "\n" ); document.write( "computer problem \n" ); document.write( "1-.20=.80 \n" ); document.write( ".80x=750 \n" ); document.write( "x=937.50 \n" ); document.write( "These problems used to drive me nuts. The solution is simple once you know how. \n" ); document.write( " |