Question

Last one !
How long will it take to earn $525 in interest if $3500 is invested at a 6% annual interest rate?
a.
2 years
c.
25 years
b.
2.5 years
d.
3 year

Answer 1

use formula: I = Prt

Answer 2

so you have
I = 525
P = 3500
r = 6% = (0.06)
find t

Answer 3

so the way you set up the formula as follows:

525 = 3500 (0.06) t find t

Answer 4

i still dont understand it :x

Answer 5

the way you solve this equation as follows:

525 = 210 t (I just multiplied 3500 x 0.06)
---- ----
210 210

then you have

t = 525 / 210

Answer 6

do you understand ??

Answer 7

OHH ok now i get wea u commin from lol its 2.5 years

Answer 8

good job