Question

The surface of a pond is being covered by oil leaking from a pipeline. The amount of surface area covered by the oil is doubling each day. At this rate, the surface of the pond will be completely covered with oil at the end of the twenty-fifth day. What fraction of the surface area of the pond will be covered by oil at the end of 20 days?
Please answer it step-by-step. Thx

Answer 1

Answer:

Count

Step-by-step explanation:

Suppose that each day double 2, second day , will double 4, and for third day it's 16, etc.

For like those questions, just count.

Those questions are very simple, but other questions not like those, is not too simple.