Chị Đào có thu nhập hàng tháng là 1.000.000 đồng. Chị Đào dùng toàn bộ thu nhập của mình để mua 2 sản phẩm, quần áo giá 50.000 đồng/đơn vị sản phẩm và thực phẩm giá 20.000 đồng/đơn vị thực phẩm. 1.Thiết lập phương trình đường ngân sách và minh họa bằng đồ thị
2.Hàm tổng hữu dụng được cho như sau: TU = (C – 2)F
Vẽ đường đẳng ích có mức hữu dụng là 10 và 20

The food services division of cedar river amusement park inc. is studying the amount families who visit the amusement park spend per day on food and drink. a sample of 40 families who visited the park yesterday revealed they spent the following amounts: see worksheet 1 for data and answer the following questions: a. organize the data into a frequency distribution, using seven classes and 15 as the lower limit of the first class. what class interval did you select? b. what percent of families spent less than $45? c. what percent of families spent $55 or more? d. how many families spent from $65 to 74.99?

Which of the following is the best example of substitution? a. movie producers begin making more comedies because they cost less to make than action films. b. people walk out before the end of a movie because the acting and the plot are terrible. c. people at the movie theater switch from popcorn to candy because popcorn has gotten too expensive. d. more people begin going to matinee movies instead of night movies to save money on the tickets.

Dakota company experienced the following events during 2016. 1. acquired $30,000 cash from the issue of common stock. 2. paid $12,000 cash to purchase land. 3. borrowed $10,000 cash. 4. provided services for $20,000 cash. 5. paid $1,000 cash for utilities expense. 6. paid $15,000 cash for other operating expenses. 7. paid a $2,000 cash dividend to the stockholders. 8. determined that the market value of the land purchased in event 2 is now $12,700