Artur

Nigel is participating in a read-a-thon. The number of pages he reads each night follows a geometric sequence. On the second day of the read-a-thon, Nigel read 8 pages. On the fifth day of the read-a-thon, he read 64 pages. Write an explicit formula to re...

The correct answer is B.

10x+15y=465 x+y=39 x-? y-?

Explicit Formula: an=a1 * r^(n-1) Answer: an=4(2)^n-1 I just don't know how to get to the answer with the information given. Any ideas?

Can someone delete the question, please? Thank You.