A rational number is any number that can be written as "a/b," where "a" is an integer, and "b" is not equal to zero.
Rational Number:
a
--- → "a" is an integer → "b" ≠ 0
b
Answer:
0.7
Step-by-step explanation:
The matrix of possibility is given by the table below
Therefore the proportion of time Buffy is cheerful is 0.7