40.2 percent of the customers at the beauty supply store choose brand B.
An equation is an expression that shows the relationship between two or more numbers and variables.
The percent of customers that choose brand B = (number of brand B customers / total number of customers) * 100%
The percent of customers that choose brand B = (402/1000) * 100% = 40.2%
40.2 percent of the customers at the beauty supply store choose brand B.
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