Respuesta :
6+2t
6 for the number of quarters they started with
2 for the number of quarters they put in per day
t for the number of days
6+2(6)=18
6 for the number of quarters they started with
2 for the number of quarters they put in per day
t for the number of days
6+2(6)=18
Let the number of coins added (including the first day and the 6th day) = T (total)
Let the number of days = x
T = 6 + 2n Answer
Now what you want is n = 6
T = 6 + 2*6
T = 18