Answer:
(a)
• 1st Restaurant: 4+10x
,
• 2nd Restaurant: 12x
(b)4+10x=12x
Explanation:
(a)The first restaurant charges a delivery fee of $4 for the entire purchase and $10 per pizza.
The second restaurant has no delivery fee and charges $12 per pizza.
(b)The equation showing when the charges are the same is: