Respuesta :
21 divided by 7 is 3 so each candy bar equals 3 dollars
each candy bar costs $3. you need to set up an equation...
[tex]2 + 7x = 23 \\ 7x = 23 - 2 = 21 \\ 7x = 21 \\ x = 3[/tex]
[tex]2 + 7x = 23 \\ 7x = 23 - 2 = 21 \\ 7x = 21 \\ x = 3[/tex]