document.write( "Question 241369: The sum of two numbers is 70. The second is 10 more than 3 times the first. Find the numbers. Choose the answer with the correct equations used to solve this problem. \n" ); document.write( "
Algebra.Com's Answer #176773 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The sum of two numbers is 70. The second is 10 more than 3 times the first. Find the numbers. Choose the answer with the correct equations used to solve this problem. \n" ); document.write( "---------------- \n" ); document.write( "Equations: \n" ); document.write( "x + y = 70 \n" ); document.write( "y = 3x+10 \n" ); document.write( "------------------ \n" ); document.write( "Subsitute for \"y\" and solve for \"x\": \n" ); document.write( "x + (3x+10) = 70 \n" ); document.write( "4x = 60 \n" ); document.write( "x = 15 (1st number) \n" ); document.write( "y = 3x+10, so y = 45*10 = 55 (2nd number) \n" ); document.write( "========================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |