document.write( "Question 814180: Carmen's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Carmen $5.90 per pound, and type B coffee costs $4.40 per pound. This month, Carmen made 148 pounds of the blend, for a total cost of $772.70. How many pounds of type A coffee did she use? \n" ); document.write( "
Algebra.Com's Answer #490123 by TimothyLamb(4379) You can put this solution on YOUR website! 590a + 440b = 77270 \n" ); document.write( "a + b = 148 \n" ); document.write( "a = 148 - b \n" ); document.write( "--- \n" ); document.write( "590a + 440b = 77270 \n" ); document.write( "590(148 - b) + 440b = 77270 \n" ); document.write( "87320 - 590b + 440b = 77270 \n" ); document.write( "10050 = 150b \n" ); document.write( "--- \n" ); document.write( "b = 67 \n" ); document.write( "a = 81 \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( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |