On average, a baby uses three times the number of large diapers as small diapers and double the number of medium diapers as small diapers if the average baby uses,2,940 diapers, size large and small, how many of each size would be used

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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?