Chapter 4 - Section 4.4 - Solving Systems of Equations by Matrices - Exercise Set - Page 240: 38

2022

Magic Kingdom: $y=.25x+16.2$ Disneyland: $y=.35x+14.5$ $y=.25x+16.2$ $y-y-16.2=.25x+16.2-y-16.2$ $-16.2 = .25x-y$ $y=.35x+14.5$ $y-y-14.5=.35x+14.5-y-14.5$ $-14.5 = .35x-y$ Please see the applicable matrices. We determine $x=17$, so the starting year is 2005, and our desired year is 2022.