Bradley Reeves
09/22/2024 · Primary School

c) teacher is organising a day trip to a museum. The total cost of entry for the students to the museum is \( € 72 \). (i) By letting \( x \) equal the number of students in the class, write an expression to represent the cost of the trip per student. (ii) If two students decided not to go to the muscum. the total cost of entry would be \( € 70 \). Write an expression for the new cost per student. (iii) The cost of entry per student in this case would be increased by \( € 1 \). Write an equation to represent the above information and hence solve this equation to find the number of students who were originally meant to go on the trip.

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(i) Cost per student: \( \frac{72}{x} \). (ii) New cost per student: \( \frac{70}{x-2} \). (iii) Equation: \( \frac{70}{x-2} = \frac{72}{x} + 1 \). Solution: 12 students.

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