In inglis county me were 2,277 student athletes competing in spring sports in 2014. thai was of the number which was of the number from the year before. how many athletes signed up for a spring span in

2014⇒2277 athletes

2013⇒2070 athletes.
x=number of athletes in 2013
110% of x=2277
(110/100x=2277
x=(2277*100)/110=2070

2012⇒2300 athletes. 
x=number of athletes in 2012
90% of x=2070
(90/100)x=2070
x=(2070*100)/90=2300

2300 athletes were signed up for a spring sport in 2012. 

A. -10 is the value of x