Pope Moreno
07/21/2023 · Senior High School
Operate with Rational Numbers Model with Mathematics Mr. Chung teaches a 1 -hour math class. (Six minutes are used for attendance and turning in homework. Then he teaches for \( (18) \) minutes. For the rest of the class, the students work on problems. For each problem, the students spend 3 minutes working on it, then Mr. Chung takes 6 minutes to explain it. After the clas completes 4 problems, all of the class time is used up. Write and evaluate an expression to show this.
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The expression to represent the total time spent on all activities is \( T = 6 + 18 + 4 \times (3 + 6) \). The total time is 60 minutes.
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