Answer:
The monthly cost for x slices of pizza is [tex]y=7x-5.5[/tex].
Step-by-step explanation:
Consider the provided information.
The membership costs $5 per month and members get a discounted price of $1.50 per slice of pizza.
Let the cost of pizza is x and y represents the monthly cost.
Evan purchased 7 slices of pizza and membership cost $5 also the discounted price is $1.50 per slice of pizza.
[tex]y=7x+5-1.50(7)[/tex]
[tex]y=7x+5-10.5[/tex]
[tex]y=7x-5.5[/tex]
Hence, the monthly cost for x slices of pizza is [tex]y=7x-5.5[/tex].