document.write( "Question 1014820: Andrew is two years older that Bianca if their ages have a sum of 28 years, how old is each one? \n" ); document.write( "
Algebra.Com's Answer #631163 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "A=Andrew's age; B=Bianca's age \n" ); document.write( ". \n" ); document.write( "A=B+2yrs . Use this to substitute for A below \n" ); document.write( ". \n" ); document.write( "A+B=28 yrs . Substitute for A from above. \n" ); document.write( ". \n" ); document.write( "(B+2yrs)+B=28yrs . Subtract 2 yrs from each side. \n" ); document.write( ". \n" ); document.write( "2B=26 yrs . Divide each side by 2. \n" ); document.write( ". \n" ); document.write( "B=13 yrs \n" ); document.write( ". \n" ); document.write( "ANSWER 1: Bianca is 13 years old. \n" ); document.write( ". \n" ); document.write( "A=B+2yrs=13yrs+2yrs=15yrs \n" ); document.write( ". \n" ); document.write( "ANSWER 2: Andrew is 15 years old. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( ". \n" ); document.write( "A+B=28yrs \n" ); document.write( ". \n" ); document.write( "15yrs+13yrs=28yrs \n" ); document.write( ". \n" ); document.write( "28yrs=28yrs \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |