Olivia decides to download music from two different websites. In order to figure out when the cost will be the same, she needs to write an equation. Itunes charges $5 to join and $0.75 per download. Spotify charges $9 to join and $0.50 per download. Write an equation to find when the plans will cost the same amount of money.

16 downloads

Step-by-step explanation:

x=number of downloads

5+0.75x=9+0.5x

.25x=4

x=16

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.