document.write( "Question 996886: if the ground temp is 62, then the air temp x miles high is given by T=62-29x. Determine the altitude at which the air temp is less than 4.7F \n" ); document.write( "
Algebra.Com's Answer #615178 by Boreal(15235)\"\" \"About 
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T=4.7=-29x+62(assumed F.)
\n" ); document.write( "-29x=-57.3
\n" ); document.write( "x=1.976 miles
\n" ); document.write( "At an altitude above 1.976 miles, the air temp < 4.7 degrees F.
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