document.write( "Question 1064168: *My brother is 12 years old than my sister. In 3 years, my sister will be 25 years old. How old is my brother? \r
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document.write( "* A coat costs 165.000 more than a jacket. If the jacketīs price is 30% of the coatīs price, what is the price of the coat? \n" );
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Algebra.Com's Answer #679230 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! My brother is 12 years older than my sister. In 3 years, my sister will be 25 years old. How old is my brother? \n" ); document.write( "----- \n" ); document.write( "b = s + 12 \n" ); document.write( "s + 3 = 25 \n" ); document.write( "---- \n" ); document.write( "s = 25-3 = 22 (sister's age now) \n" ); document.write( "b = s + 12 = 22+12 = 34 yrs (brother's age now) \n" ); document.write( "------------------------- \n" ); document.write( "* A coat costs 165.000 more than a jacket. If the jacketīs price is 30% of the coatīs price, what is the price of the coat? \n" ); document.write( "c = j + 165 \n" ); document.write( "j = 0.3*c \n" ); document.write( "------- \n" ); document.write( "Ans: c = 0.3c + 165\r \n" ); document.write( "\n" ); document.write( "0.7c = 165 \n" ); document.write( "coat cost = 165/0.7 = $235.71 \n" ); document.write( "------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |