Part A:

Using the table, 4 people were told the rumor on the first day (Day 1).

Part B:

To find the ratio, divide the number of people the rumor told to by the number of people the rumor told to from the previous day:

\(\displaystyle\frac{{256}}{{64}}=\frac{{64}}{{16}}=\frac{{16}}{{4}}={4}\)

Using the table, 4 people were told the rumor on the first day (Day 1).

Part B:

To find the ratio, divide the number of people the rumor told to by the number of people the rumor told to from the previous day:

\(\displaystyle\frac{{256}}{{64}}=\frac{{64}}{{16}}=\frac{{16}}{{4}}={4}\)