A salesman usually makes 45% profit on every TV he sells. During a sale, he reduced his margin of profit to 40% and his sales increased by 10%. What is the ratio of his new profit to his usual profit?

A salesman usually makes 45% profit on every TV he sells. During a sale, he reduced his margin of profit to 40% and his sales increased by 10%. What is the ratio of his new profit to his usual profit?

A 9 : 8

B 9 : 10

C 11 : 10

D 44 : 45

Solution

Correct Answer: Option D