Question

A massage therapist made a total of fifty-two dollars in one hour. He charged a flat rate per minute and received a seven dollars tip. Which two-step equation is a model for this problem and what does the variable represent?

the quantity x over sixty all plus seven equals fifty-two; x represents the time of the massage

the quantity x over sixty all plus seven equals fifty-two; x represents the rate per minute

sixty times x plus seven equals fifty-two; x represents the time of the massage

sixty times x plus seven equals fifty-two; x represents the rate per minute