On the day a certain celebrity proposes marriage, 8 people know about it. Each day afterward, the number
of people who know grows by 50%
Which expression gives the number of people who know about the proposal after 4 days?

the answer is 200

step-by-step explanation:

the way the question is worded, it seems to imply the $264 interest is simple interest, not compound interest.

the simple interest for 2 years is $264; the simple interest for 1 year is $132.

$132 interest on a $600 investment means an interest rate of (132/600)*100 = 22%.

the value of $200 at 22% interest compounded annually for three years is

200%281.22%29%5e3

the amount of interest is that value, minus the original $200.

it's

the answer is c)8

step-by-step explanaction:

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225