Amachine makes 20 carpets in a day. after oiling the machine, its efficiency will go up by 150%. how many carpets will be produced at this level?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?