Question

how do i write a question that i can answer by solving A=1000 (1+ 0.08/12)^240

Answer 1

compound interest ?

Answer 2

what is that?

Answer 3

its a compound interest equation.
may i ask from which topic this question is frm ?

Answer 4

It could be a growth rate question.

Answer 5

exponential functions

Answer 6

okay. compound interest is a good example of exponential growth.
exponential functions grow very fast

Answer 7

A=1000 (1+ 0.08/12)^240
=>

A=1000 (1+ 0.08/12)^(12*20)

Answer 8

lets try framing a question

Answer 9

if you put 1000 $ in bank and waited 20 years, and the bank pays interest of 8 %

Answer 10

we have covered "1000, 0.08 and 20 " in our question.
only "12" is left out, right ?

Answer 11

yes

Answer 12

that 12 is simply the compounding interval. each year, the money is compounded 12 times !

Answer 13

the question can be,
how much money the bank gives back, if you deposit $1000 for 20 years at an interest of 8% and compounded monthly

Answer 14

okay got it but what about solving 2000=1000(l+r)^8

Answer 15

okay.
id love to explain that if u pay attention :)

Answer 16

there it is asking to find out rate

Answer 17

rate of growth

Answer 18

okay

Answer 19

how to solve 2000=1000(1+r)^8?


to solve divide both sides by 1000 to get
2= (1+r)^8

raise both sides to the (1/8) power
to get
2^(1/8) = 1+r
subtract 1 from both sides
2^(1/8)-1 = r

to get a value, type
2^(1/8)-1 =

in the google search window.

Answer 20

chikit.. you want to solve or frame a question like before ?
if it is about solving then phi explanation is the best u can have