A company sells trinkets and doodads. It costs the company $30 to make 4 trinkets and 2 doodads and $40 to make 3 trinkets and 4 doodads. How much does it cost to make trinkets and doodads?
Accepted Solution
A:
tinkets: [tex]4x = 30 \\ x = 7.5[/tex] now the next step [tex]3x + 4y = 40[/tex] since you know x, you're able to substitute