document.write( "Question 304541: The sum of two numbers is 70. One number is ten more than twice the other number. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #218131 by london maths tutor(243)![]() ![]() You can put this solution on YOUR website! Let one number be x and the other be y\r \n" ); document.write( "\n" ); document.write( "x = 2y + 10 ... equation 1\r \n" ); document.write( "\n" ); document.write( "x + y = 70 ... equation 2\r \n" ); document.write( "\n" ); document.write( "put equation 1 into equation 2 \r \n" ); document.write( "\n" ); document.write( "(2y + 10) + y = 70\r \n" ); document.write( "\n" ); document.write( "3y = 70 - 10 \r \n" ); document.write( "\n" ); document.write( "3y = 60 \r \n" ); document.write( "\n" ); document.write( "y = 60/3 \n" ); document.write( "y = 20 \r \n" ); document.write( "\n" ); document.write( "x = 2(20) + 10 = 40 + 10 = 50 \r \n" ); document.write( "\n" ); document.write( "Answer: the numbers are 50 and 20 \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |