The population of a city increases exponentially at a rate of x% every 5 years. in 1960 the population was 60100. in 2015 the population was 12150. calculate the value of x

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.