document.write( "Question 1016290: if angle A is 30 degrees more than 4 times the measure of angle B and the sum is 170 degrees, what is the measure of angle A and angle B? \n" ); document.write( "
Algebra.Com's Answer #632711 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! From the info in the problem, we can write \n" ); document.write( "A = 30 + 4B and \n" ); document.write( "A + B = 170 \n" ); document.write( "Substitute the first into the second and get \n" ); document.write( "30 + 4B + B = 170 \n" ); document.write( "5B + 30 = 170 \n" ); document.write( "5B = 140 \n" ); document.write( "B = 28 degrees \n" ); document.write( "A = 170 - 28 = 142 degrees \n" ); document.write( " |