document.write( "Question 1143820: The ratio of number of pupils who visited the museum to the number of pupils who visited the zoo is 9:4. If 45 more pupils visited the museum than the zoo. How many pupils visited the zoo? \n" ); document.write( "

Algebra.Com's Answer #764733 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "The number of pupils who visited the museum is 9x;  the number of pupils who visited the zoo is 4x,\r\n" );
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document.write( "where x is the common measure of these two quantities.\r\n" );
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document.write( "We are given that  9x - 4x = 45.   It implies  5x = 45,  i.e.  x = 45/5 = 9.\r\n" );
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document.write( "Hence, the number of pupils visiting zoo is  4x = 4*9 = 36.   ANSWER\r\n" );
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