Question

PLEASE HELP DUE TOMMOROW!!!!!

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?

Answer 1

Let X= # of days, y= finial cost. Part A= 12+7x=y. Part B= 12+7(18)= $138. Part c= 12+7(187)= $1,321