Question 1

Explanation

To calculate the percentage increase in sales for flower shop C in year 3, we need to compare the difference in sales between year 3 and year 2, then divide by the sales of year 2 (the previous year).

Based on the chart:

• Sales of flower shop C in year 2 = $280$
• Sales of flower shop C in year 3 = $320$

The calculation is as follows:

The result is approximately $14\%$.

Therefore, the percentage increase in sales for flower shop C in year 3 compared to the previous year is $14\%$.