Mathematics, 19.02.2020 10:02 ma870640

Lisa and Daisy work at a hair salon. The salon charges $21 for a hair styling session with Lisa and $17 for a session with Daisy. Their income on a certain day is projected to be $357. This situation can be represented by the equation 21x + 17y = 357, where x is the number of Lisa's customers and y is the number of Daisy's customers. (Technical details: x ≥ 0, y ≥ 0, and x and y take only integer values.) How many customers would Lisa need to serve to attain the projected income if Daisy calls in sick that day?

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Lisa and Daisy work at a hair salon. The salon charges $21 for a hair styling session with Lisa and...