Answer:
[tex]y=13\$ x[/tex]
Step-by-step explanation:
Given,movie tickets cost each person [tex]=9\$[/tex]
popcorn cost for each person[tex]=4\$[/tex]
let the number of people in a group be x and total spend money by group be y
[tex]y=9\$ x+4\$ x[/tex]
[tex]y=13\$ x[/tex]
