The Science Club went on a two-day field trip. The first day the members paid $40 for transportation plus $19 per ticket to the planetarium. The second day they paid $90 for transportation plus $16 per ticket to the geology museum. Write an expression to represent the total cost for two days for the n members of the club.

total cost = $130 + $35n

Step-by-step explanation:

Cost incurred on the first day.

Fixed cost = $40. this amount is fixed because it does not depend on the number of students that take the trip

variable cost = $19n. It is variable because it depends on the number of students that take the trip. the more the club members that take the trip, the higher the cost

Total cost on the first day = $40 + $19n

Cost incurred on the second day

Fixed cost = $90. this amount is fixed because it does not depend on the number of students that take the trip

variable cost = $16n. It is variable because it depends on the number of students that take the trip. the more the club members that take the trip, the higher the cost

Total cost on the second day = $90 + $16n

Total cost incurred would be the sum of the two costs incurred on the two days

total cost = $40 + $19n + $90 + $16n

= $130 + $35n

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step-by-step explanation:

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