Ms Núñez sells fruit from a fruit stand. She starts the day with 80 pieces of fruit. In the morning, 5 customers each buy (p) pieces of fruit. In the afternoon, Pascal feeds each bird (b) for bird. She sees 2 pieces of fruit.
Write an algebraic expression that represents the amount of pieces of fruit Ms Núñez has after her customers and feeding the birds.
How many pieces of fruit would Ms Núñez have left of each customer bought 6 pieces of fruit and she gave 5 birds the 2 pieces of fruit?