document.write( "Question 926444: 40. Michael’s age is seven-tenths of Richard’s age. In four years Michael’s age will be eight-elevenths of Richard’s age. How old is Michael now?
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Algebra.Com's Answer #562247 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = mike age now \n" ); document.write( "y = rich age now \n" ); document.write( "--- \n" ); document.write( "x = (7/10)y \n" ); document.write( "x + 4 = (8/11)(y + 4) \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x - (7/10)y = 0 \n" ); document.write( "x + 4 = (8/11)y + (8/11)4 \n" ); document.write( "--- \n" ); document.write( "x - (7/10)y = 0 \n" ); document.write( "x = (8/11)y + 32/11 - 44/11 \n" ); document.write( "--- \n" ); document.write( "x - (7/10)y = 0 \n" ); document.write( "x - (8/11)y = -12/11 \n" ); document.write( "--- \n" ); document.write( "x - 0.7y = 0 \n" ); document.write( "x - 0.72727272727y = -1.0909090909 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above standard form linear equations in to this solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "solution: \n" ); document.write( "x = mike age now = 28 \n" ); document.write( "y = rich age now = 40 \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |