document.write( "Question 378080: at an iceskating performance, there are 2/5 as many adults as children. among the children, the ratio of school children to non school children toddlers is 7:1. find the number of non school children toddlers if the total number of people in the audience is 2800 \n" ); document.write( "
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at an iceskating performance, there are 2/5 as many adults as children. among the children, the ratio of school children to non school children toddlers is 7:1. find the number of non school children toddlers if the total number of people in the audience is 2800
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\n" ); document.write( "non school children toddlers be x
\n" ); document.write( "school cildren will be 7x
\n" ); document.write( "..
\n" ); document.write( "Total children = 7x+x=8x
\n" ); document.write( "..
\n" ); document.write( "Adult = (2/5) * 8x
\n" ); document.write( "..
\n" ); document.write( "8x + 16x/5 = 2800
\n" ); document.write( "multiply by 5
\n" ); document.write( "8x*5 + 16x/5 *5 = 2800*5
\n" ); document.write( "40x+16x= 14000
\n" ); document.write( "56x=14000
\n" ); document.write( "/56
\n" ); document.write( "x= 14000/56
\n" ); document.write( "x = 250 non school children toddlers
\n" ); document.write( "school children = 7x = 1750
\n" ); document.write( "adult = 2/5 * 2000 =800
\n" ); document.write( "adult 800, school children = 1750, nonschool children toddlers = 250
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( "
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