Paul teaches the guitar in groups of three students. He rents a room for the guitar classes at $250 per month. He charges $30 per hour per student. Paul teaches six groups of students, and his net earnings per month are $1,910. Part A: If each student learns guitar for the same number of hours, write an equation that can be used to calculate the number of hours each student learns guitar in a month. Part B: How many hours did each student learn guitar each month? Show your work and justify each step of your work.

(1) Answers

part a: 3(30h) = earnings part b: 3(30h) = 1910 + 250 3(30h) = 2160 30h = 720 h = 24

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