document.write( "Question 845400: in a set 50 numbers, if the average of the first 25 numbers is 16, next 10 numbers is 15 and the rest is 20, then what is the average of the entire set? \n" ); document.write( "
Algebra.Com's Answer #509291 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Average is the sum of the values divided by the number of values.
\n" ); document.write( "Find each sum.
\n" ); document.write( "\"A1=S1%2F25=16\"
\n" ); document.write( "\"S1=400\"
\n" ); document.write( "\"A2=S2%2F10=15\"
\n" ); document.write( "\"S2=150\"
\n" ); document.write( "\"A3=S3%2F%2850-10-25%29=S3%2F15=20\"
\n" ); document.write( "\"S3=300\"
\n" ); document.write( "\"A=%28400%2B150%2B300%29%2F50\"
\n" ); document.write( "\"A=850%2F50\"
\n" ); document.write( "\"highlight%28A=17%29\"\r
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