A cafeteria sells coffee in three sizes: small, 240 mL; medium, 350 mL; and large, 470 mL. The cafeteria sells 750 small cups, 1000 medium cups, and 500 large cups of coffee. How many litres of coffee did the cafeteria sell in total?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers