Answer: 
Step-by-step explanation:
Given
Time is extended from 28 days to 76 days
The percentage increase is given by

Putting values

Thus, the percentage increase in time is 
Answer:
Proprortional Value is equal to 2/3 or 2:3
Step-by-step explanation:
4/6=2/3
6/9=2/3
8/12=2/3
10/15=2/3
14/21=2/3
Answer:
C.
Step-by-step explanation:
Keep, change, flip.
Keep the first number, change the division sign to a multiplication sign, and flip the numerator and denominator of the second number.
Answer:
the people who live in nepal is called nepali people.