1. a restaurant offers delivery for their pizzas. the total cost is a delivery fee added to the
price of the pizzas. one customer pays $25 to have 2 pizzas delivered. another
customer pays $59 for 5 pizzas. how many pizzas are delivered to a customer who pays
s80?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?