The Science Club went on a two-day field trip. The first day the members paid $40 for transportation plus $15 per ticket to the planetarium. The second day they paid $90 for transportation plus $12 per ticket to the geology museum. Write an expression to represent the total cost in dollars for two days for the n members of the club.

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First Day: 40 +15

Second Day: 90+12

since the total members is n

Remember that the questions says the ticket was paid per person

So the total will be

40+ 15n +90+ 12n = 40+90+15n + 12n

=130+27n