Mathematics, 18.10.2019 12:00 dommalb

Tess is a hairdresser. before her lunch break, she gave 1 haircut and colored the hair of 1 client in 72 minutes. after lunch, she colored the hair of 1 client in 55 minutes. how long does it take for tess to perform each type of service, assuming the amount of time doesn't vary from client to client?

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Tess is a hairdresser. before her lunch break, she gave 1 haircut and colored the hair of 1 client i...