document.write( "Question 957919: Vanessa is 3 times as old as Christopher. 16 years ago, Vanessa was 7 times as old as Christopher.\r
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document.write( "How old is Christopher now? \n" );
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Algebra.Com's Answer #585418 by macston(5194)![]() ![]() You can put this solution on YOUR website! C=Christopher's age; V=Vanessa's age=3C \n" ); document.write( "V-16=7(C-16) Substitute for V \n" ); document.write( "3C-16=7C-112 Add 112 to each side. \n" ); document.write( "3C+96=7C Subtract 3C from each side. \n" ); document.write( "96=4C Divide each side by 4. \n" ); document.write( "24=C ANSWER: Christopher is 24 years old \n" ); document.write( "Vanessa is 3(24yrs)=72 years old. \n" ); document.write( "CHECK \n" ); document.write( "V-16yrs=7(C-16yrs) \n" ); document.write( "72yrs-16yrs=7(24yrs-16yrs) \n" ); document.write( "56yrs=7(8yrs) \n" ); document.write( "56yrs=56yrs \n" ); document.write( " |