Question

Last year, Martina had
$20,000
to invest. She invested some of it in an account that paid
7%
simple interest per year, and she invested the rest in an account that paid
9%
simple interest per year. After one year, she received a total of
$1640
in interest. How much did she invest in each account?
CAN SOMEONE PLEASE HELP

Answer 1

I have no clue. My brain isn't functioning. Gosh I feel horrible. Sorry. @Mehek14 @AloneS @imqwerty @Ms-Brains @inkyvoyd

Answer 2

Oh it's ok....do you think anyone else would know?

Answer 3

No one else will answer/help me :/

Answer 4

Oh wait there is someone!

Answer 5

wow @SerenityJustice74 trying to get off the problem.. but it's really simpel to solve xP

Answer 6

I tagged a few people, hopefully they know what's happening lol.

Answer 7

Haha thanks :) Serentity.

Answer 8

AloneS: Yeah I really need help lol...I don't feel like getting these problems wrong again :/ I think I have one more after this one

Answer 9

Smh @AloneS X'D I amma let this one slide ;p....Horrible week for me...smh

Answer 10

Okay dear what was your first time answer you got?

Answer 11

Well I know the basics, I just need help setting up the problem so that I know I won't get the answer wrong.

Answer 12

So I know that it says, The previous year, Martina had 20,000 dollars to invest in.

Answer 13

Okay so yo just need thesteps?

Answer 14

Account 1's simple interest rate was 0.07% and Account 2's simple interest rate was 0.09%

Answer 15

Yeah pretty much. I just wanna make sure I don't get it wrong

Answer 16

Yalll got this handled. I'm off. xD

Answer 17

Lol ok Ms-Brains :)

Answer 18

AloneS: Also, the total amount is 1640 dollars.

Answer 19

aye brains what xP
I'm confused now

Answer 20

Wait confused on what?

Answer 21

what brains said

Answer 22

Oh lol I think she was gonna help but then she saw u were helping me

Answer 23

@Ms-Brains Help here ;)

Answer 24

So who can help?

Answer 25

Alright I am here, give me 1 minute to read what this is

Answer 26

Ok thnx :)

Answer 27

*gives medal to brains*

Answer 28

The way I am seeing it is we need to make an equation and solve it.

Answer 29

ok yeah same I see that too

Answer 30

But my problem is how to put the problem together

Answer 31

Oh! Okay, do you have an choices to choose from, or just whatever way?

Answer 32

What do you mean?

Answer 33

The problem you are working on, do you have answer choices?

Answer 34

I guess I just need help solving it

Answer 35

Well its not multiple choice...but its asking How much did she invest in each account?

Answer 36

Give me 1 second to solve this. :)

Answer 37

Ok thanks :)

Answer 38

If I am solving this correctly she invested 1,400 in the first account, and 3,074 in the second account. That's just what I am thinking though, I haven't done problems like this in forever, so I'm not 100% sure. :)

Answer 39

Ok thank you so much!

Answer 40

:)