15 people received an email and sent it to 3 different friends each, who in turn each sent it to 2 new people. What percent of the total number of people who received the e-mail are the original 15 people?
(A) 8% (B) 10% (C) 11% (D) 1623% (E) 20%

Question

15 people received an email and sent it to 3 different friends each, who in turn each sent it to 2 new people. What percent of the total number of people who received the e-mail are the original 15 people?
(A) 8% (B) 10% (C) 11% (D) 1623% (E) 20%

calculusxy · Answer

@Mertsj

mertsj · Answer

Pretty sure we did this yesterday

calculusxy · Answer

I don't think I got  the percent part in my head :)

mertsj · Answer

how many people got the email?

calculusxy · Answer

15+45+90=150
150 people I believe.

calculusxy · Answer

Isn't it like 15/150 and then convert it to percentage?

mertsj · Answer

yes

calculusxy · Answer

Thanks..again.

mertsj · Answer

The problem now is:
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