Q:

A local pizzeria sold 55 pizza yesterday. (A) the owner offers the employee a bonus if the number of pizza sold increased by 20% today. How many pizzas make a pizzeria sell for employees to receive a bonus? Explain your reasoning.(B) suppose the actual number of pieces for today was 40. Describe the number of pizzas sold as a percent increase or decrease? Round to the nearest hundred. Show your work.

Accepted Solution

A:
Answer:A)66 B)27.273%Step-by-step explanation:GivenNumber of pizzas sold yesterday ,m=5520% increase in pizzas sold from yesterday will get the employee a bonusSo number of pizzas to be sold today for the employee to get a promotion[tex]=m+m\times\frac{20}{100} \\=m+m\times\frac{1}{5} \\=\frac{6}{5} m\\=\frac{6}{5} \times 55\\=6\times 11\\=66[/tex]Therefore 66 pizzas need to be sold today for the employee to get a bonusif the number of pizzas sold today, n=40⇒ Change= n-m= 40-55= -15Negative sign indicates decrease in pizzas soldPercentage change[tex]=\frac{15}{55} \times100=27.272727.....[/tex]                                        =27.273%