SOLUTION: Mr. Cutler usually makes a 45% profit on every radio he sells. During a sale, he reduces his margin of profit to 40%, while his sales increase by 10%. What is the ratio of his new

Question 607306: Mr. Cutler usually makes a 45% profit on every radio he sells. During a sale, he reduces his margin of profit to 40%, while his sales increase by 10%. What is the ratio of his new total profit to the original profit?
A)1:1
B)9:8
C)9:10
D)11:10
E)44:45
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number of radios he sells
before the increase in sales, his profit is

After his sales increase,

The ratio of his new total profit to the original profit

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