A Web music store offers two versions of a popular song. The size of the standard version is 2.2
megabytes (MB). The size of the high-quality version is 4.5 MB. Yesterday, there were 720
downloads of the song, for a total download size of 2688 MB. How many downloads of the
high-quality version were there?
1:12 PM
4/30/2020

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.

Find the tenth term in the following geometric sequence. 8, 4, 2, 1, . .a) 13b) 0.0078c) 0.0156d) 12.5