Chapter 6 - Systems of Equations and Inequalities - 6-2 Solving Systems Using Substitution - Practice and Problem-Solving Exercises - Page 376: 36

$12$ small prints $6$ large prints

$x$ represents large prints, and $y$ represents small prints. The two equations are: $y=2x$ $20y+45x=510$ Plug in $y=2x$ to find the X-value: $20(2x)+45x=510$ $40x+45x=510$ $85x=510$ $x=6$ Plug in $x=6$ to find Y: $y=2(6)$ $y=12$