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DUE TOMORROW!!!!!!!!!!!!!!
Ethan is saving money in his piggy bank for his upcoming trip to Disney World. On the first day, he put in $12 and plans to add seven more dollars each day.
Part A: Write an explicit formula that can be used to find the amount of money saved on any given day.
Part B: How much money will he have on the 18th day?
Part C: The Disney trip is in 187 days from the day he started saving. How much money will he have on the 187th day?