document.write( "Question 1041383: a person's IQ is given by the formula IQ= (MA/CA)*100 where CA is chronological age. If 80 <= IQ <= 140 for a group of 12 years old children, find the range of their mental ages. \n" ); document.write( "
Algebra.Com's Answer #656376 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a person's IQ is given by the formula IQ= (MA/CA)*100 where CA is chronological age. If 80 <= IQ <= 140 for a group of 12 years old children, find the range of their mental ages. \n" ); document.write( "------------------------ \n" ); document.write( "80 <= (MA/12)*100 <= 140 \n" ); document.write( "------------------------------- \n" ); document.write( "Multiply by 12 along the line to get: \n" ); document.write( "960 <= 100*MA <= 1680 \n" ); document.write( "----- \n" ); document.write( "Divide by 100 along the line to get the answer:: \n" ); document.write( "9.6 <= MA <= 16.8 \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " |