document.write( "Question 805227: Bill is 1.5 times Jane's age. In 7 years, the sum of their ages is 64. What is Bill's age now? Use substitution method. Available answers:
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document.write( "30
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document.write( "20
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document.write( "27
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document.write( "37 \n" );
document.write( "
Algebra.Com's Answer #485129 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Bill is 1.5 times Jane's age. In 7 years, the sum of their ages is 64. What is Bill's age now? Use substitution method. \n" ); document.write( "z------- \n" ); document.write( "Equations: \n" ); document.write( "b = 1.5j \n" ); document.write( "b+7 + j+7 = 64 \n" ); document.write( "----- \n" ); document.write( "Substitute for \"b\" and solve for \"j\": \n" ); document.write( "1.5j + 7 + j+7 = 64 \n" ); document.write( "2.5j + 14 = 64 \n" ); document.write( "2.5j = 50 \n" ); document.write( "j = 20 yrs (Jane's age now) \n" ); document.write( "b = 1.5j = 30 years (Bill's age now) \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( "Available answers: \n" ); document.write( "30 \n" ); document.write( "20 \n" ); document.write( "27 \n" ); document.write( "37 \n" ); document.write( " |