Question

The average sale of a car dealership was 15 cars per week. After a promotional scheme the average rale increased to 21 cars per week. The percentage increase in the sale of cars was

• A. 40$\%$
• B. 140$\%$
• C. 42$\%$
• D. 39.33$\%$

Answer 1

Answer: (C)

42$\%$

Answer 2

Percentage increase $=\frac{21-15}{15}\times100=40\%$
The correct option is (C)