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His commission is 17.5%

A salesperson at a dress shop sold $1,200 worth of clothes and earned a commission of $210. Then his commission percent would be 17.5 %.

What is the percentage of a number?

It is the relative value that represents the hundredth part of any number for example 2% of any number represent , 2 multiplied by the 1/100th of that number.

Lets understand with help of one more example as follows

5 % of 100 is equal to 5 which means, 5 times the 1/100th of the 100

For the given problem we have to calculate his commission percentage

therefore 210$ is multiplied by 100 to obtain the whole quantity as a 100 percent and then divide by 1200$ to get part of the whole as a percentage.

commission percentage = 210×100/ 2100

                                        = 17.5 %

The commission percentage of the salesperson is 17.5%.

Learn more about the percentage here

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