Respuesta :

We know that

• She paid $124 for concert tickets.

To find the answer to 7 concert tickets, we have to use a proportion.

[tex]\frac{124}{4}=\frac{x}{7}[/tex]

We solve for x.

[tex]x=\frac{124\cdot7}{4}=217[/tex]

Therefore, the cost for 7 tickets is $217.