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|dw:1440806804136:dw|

is that the equation you meant to put? its a squared?

um yeah you drew it right.

okay. do you have any answer choices, or no? and did you attempt to solve it yet?

Do you want my options?

yes please :)

just to double check myself

a. 7
b. 4
c. 6
d. 5

okay, just a second please

okay

okay

The only real way possible is to solve using a calculator, but I will show you how the steps work

okay

first thing you will do is divide the 15500 from both sides so:|dw:1440807637374:dw|

good so far?

yeah it canceled out

okay, now is where your graphing calculator comes in. you must use the function (ln) to solve.

so \[\ln \left( 30000/15500 \right) = .66\]

understand so far?

I don't have a graphing calculator on me right now but I understand

okay good :) then you move on to the other side and use \[\ln (1.18) = .166\]

okay

so now you have \[.66 = .166x\]

guess what your next step is ;)

um solve for x?

so? how do you do that?

I would do
66/100 166/100 x
so 2*3*11/2^2*5^2 2*83/2^3*5^3 x
330/83 which is like 3.975 ish

so my answer would be 4

... I think lol

whoah.... idk what you just did there... all you had to do was|dw:1440808526563:dw|

you got the answer, but whatever you did was super complicated

You way is simpler so I'll use that way too

sorry what it that number under the 1st . 66 ?

just .166 ?

yes, .166
both sides are divided by the number with the variable attached to it

okay thank you so much for helping... you are the best!

okay :D glad I could be of assistance!!!