Answer:
A)66 B)27.273%
Step-by-step explanation:
Given
Number of pizzas sold yesterday ,m=55
20% increase in pizzas sold from yesterday will get the employee a bonus
So number of pizzas to be sold today for the employee to get a promotion
Therefore 66 pizzas need to be sold today for the employee to get a bonus
if the number of pizzas sold today, n=40
⇒ Change= n-m= 40-55= -15
Negative sign indicates decrease in pizzas sold
Percentage change
=27.273%