document.write( "Question 1012760: Henry bought a CD on sale for one third off. The CD cost Henry $9.90. What was the original price of the CD?\r
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document.write( "7th grade math. Must find the variable, v. Write the expression using decimals not fractions. Solve showing all steps. \n" );
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Algebra.Com's Answer #628835 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Well, if he got 1/3 off, he paid 2/3 of the original price, which was $9.90. \n" ); document.write( "We can write \n" ); document.write( "(2/3)v = 9.90 \n" ); document.write( "But if we write as a decimal, we have \n" ); document.write( ".66667v = 9.90 \n" ); document.write( "so that, when we divide by .66667 we get \n" ); document.write( "v = 9.90/.66667 = $14.85 \n" ); document.write( " |