document.write( "Question 493825: Please help me solve this. I have the worst trouble with algebraic expressions...Aircraft A has 139 more seats than Aircraft B. If their total number of seats is 449, find the number of seats for each aircraft. \n" ); document.write( "
Algebra.Com's Answer #335462 by stanbon(75887)\"\" \"About 
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Please help me solve this. I have the worst trouble with algebraic expressions...Aircraft A has 139 more seats than Aircraft B. If their total number of seats is 449, find the number of seats for each aircraft.
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\n" ); document.write( "Let number of seats in Aircraft B be \"b\":
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\n" ); document.write( "Let number of seats in Aircraft A be \"a\":
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\n" ); document.write( "Equations:
\n" ); document.write( "a + b = 449
\n" ); document.write( "a = b + 139
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\n" ); document.write( "Substitute for \"a\" and solve for \"b\":
\n" ); document.write( "b+139 + b = 449
\n" ); document.write( "2b = 449-139
\n" ); document.write( "2b = 310
\n" ); document.write( "b = 155 seats (# of seats in Aircraft B)
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\n" ); document.write( "Solve for \"a\":
\n" ); document.write( "a = b + 139
\n" ); document.write( "a = 155 + 139
\n" ); document.write( "a = 294 seats (# of eats in Aircraft A)
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\n" ); document.write( "Cheers,
\n" ); document.write( "stan H.
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