the marked price of an article , which is brought it for Rs 1280 is 25% above the cost price. if the discount is allowed and customer brought it for Rs 1540 including 10% Vat , what is the discount percent?

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)