1. A local pizzeria sold 55 pizzas yesterday. (a) The owner offers the employees a bonus if the number of pizzas sold increases by 20% today. How many pizzas must the pizzeria sell for employees to receive the bonus? Explain your reasoning. (b) Suppose the actual number of pizzas sold today was 40. Describe the number of pizzas sold as a percent increase or decrease, rounded to the nearest hundredth. Show your work.

(a) The pizzeria must sell 66 pizzas for employees to receive the bonus.(b) There was a 27.27% decrease in the sales of pizzas.Step-by-step explanation:Given, Pizzas sold yesterday = 55(a) The owner offers the employees a bonus if the number of pizzas sold increases by 20% today. How many pizzas must the pizzeria sell for employees to receive the bonus?Expected increase = 20% from yesterday[tex]Expected\ increase=\frac{20}{100}*55\\\\Expected\ increase=\frac{1100}{100}=11[/tex]Total pizzas to be sold = Pizzas sold yesterday + expected increaseTotal pizzas to be sold = 55+11 = 66The pizzeria must sell 66 pizzas for employees to receive the bonus.(b) Suppose the actual number of pizzas sold today was 40. Describe the number of pizzas sold as a percent increase or decrease, rounded to the nearest hundredth.Old value = 55New value = 40Difference = New value - Old value Difference = 40 - 55 = -15The negative sign indicates that it is a decrease.Percent decrease = [tex]\frac{Difference}{Old\ value}*100[/tex][tex]Percent\ decrease=\frac{15}{55}*100 = \frac{1500}{55}\\Percent\ decrease= 27.27\%[/tex]There was a 27.27% decrease in the sales of pizzas.Keywords: percentage, subtractionLearn more about subtraction at:brainly.com/question/12613605brainly.com/question/12700460#LearnwithBrainly