document.write( "Question 814690: Average age of students of an adult school is 40 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years. Find the number of students of the school after joining of the new students \n" ); document.write( "

Algebra.Com's Answer #490456 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Average age of students of an adult school is 40 years.
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document.write( "Let x represent the total number of these students,  
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document.write( "40x would be their Total Ages.
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document.write( "120 new students whose average age is 32 years joined the school
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document.write( " would be their Total Ages
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document.write( "As a result the average age is decreased by 4 years.
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document.write( "Question states***
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document.write( "    40x + 3840 = 36(x+120)
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document.write( "     4x = 480
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document.write( "      x = 120 students originally, Now 240 students.
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document.write( "CHECKING our Answer***
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