Since 2005, the amount of money spent at restaurants in a certain country has increased at a rate of 6% each year. In 2005, about $530 billion was spent at restaurants. If the trend continues, about how much will be spent at restaurants in 2015?
About ? billion will be spent at restaurants in 2015 if the trend continues.
(Round to the nearest whole number as needed.)

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.