00:01
So with this problem, i appreciate that they gave you more values, but you didn't actually need all of them.
00:09
You only needed two of them.
00:11
And so what i was looking for for growth factor, since it's exponential, that's going to tell me that it's repeated multiplication.
00:21
So what i did to figure out what the basis is, i did the second number of 216, divided by the first number of undern 80, and i got 1 .2.
00:31
So that's actually your first answer to letter i.
00:35
And then i confirmed it because when i did two times 1 .2, i got that 259 .2.
00:43
And then as i kept going, because you have to multiply it by 1 .2 squared, since up here is going up by 2 instead, and it worked.
00:54
So then the percent growth, though, is i have to remove this 1 from 1 .2...