Question

Please help!!!!
Jimmy’s dad gave him $100 on his birthday, which is January 1. Jimmy deposited the $100 in his savings account the same day. At the beginning of every month thereafter, Jimmy decides to deposit three times the amount he did in the previous month. On June 15 of the same year, the amount in Jimmy’s account will be $

Answer 1

ill try

Answer 2

it says it will be $ at the end do i have to figure out that much or did it pasted incorrectly

Answer 3

u know something called geometric progression?

Answer 4

no that is correct

Answer 5

@KitKat16 u know geometric progression?

Answer 6

yes and I think the answer is 24,300 is that correct

Answer 7

its all just geometric progression your answer will be 24,300

Answer 8

but if I fiquire it out 100*3^6 I get 72,900

Answer 9

Thank you!

Answer 10

@jim_thompson5910 can you check my answer please!!

Answer 11

January: deposit $100
February: deposit $300 (3 times the prev deposit)
March: deposit $900 (3 times the prev deposit)

etc etc until you get to July

then you add up all the deposits

Answer 12

oh sry, not july, june

Answer 13

I didn't even see that :) so It is 109,300

Answer 14

no, that's way too high

Answer 15

sorry I meant to say june and not july

Answer 16

let me add again

Answer 17

36,400

Answer 18

yep

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

Answer 19

Yay! thank you!!! wish I could give you a medal! I already gave someone a couple of days ago. Glad I asked. :) Thanks again!!!

Answer 20

that's fine, yw

Answer 21

:)