Jimmy dad gave him $100 on his birthday which is January 1st Jimmy deposit the 200 into his savings account the same day at the beginning of every month therefore the Jimmy decides to deposit three times the amount he did in the previous month on June 15th of the same year the amount in Jimmy's account will be how
January: deposit $100
February: deposit $300
March: deposit $900
April: deposit $2,700
May: deposit $8,100
June: deposit $24,300
Add up deposits:
100+300+900+2,700+8,100+24,300 = 36,400
He will have $36,400 in the account on June 15th
