A karate studio charges $35 for the first course and $22.50 for each course after that, even if the student leaves the course early. Cena paid $170 for her son to take courses. How many courses did he take?
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Total amount paid = $170
Find the total amount paid excluding the first course:
Amount = 170 - 35 = $135
Find the number of courses, excluding the first course:
1 course = $22.50
Number of courses = 135 ÷ 22.5 = 6
Find the total number of courses he took:
Total courses = 6 + the first course = 6 + 1 = 7
Answer: He took 7 courses
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Answer:
B
Step-by-step explanation:
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