Answer:
cost = 8p + 5
Step-by-step explanation:
$8*[number of pizzas] + $5 delivery fee
$8p + $5
8p + 5
20 / 0.40 = 50
original price was $50
5.25x-6
3
Frank wants to find a number that is multiplied by 10 is 2 less than 8 times the number plus 8.
Hope that helps :)