Let the number be 100
First number = 40100× 100 = 40
Second number = 50100× 100 = 50
∴ Comparing first and second number we get : 4050× 100 = 80%
∴ The first number is 80% of the second number.
Two numbers are respectively 40% and 50% of a third number. What percentage is first number of the second?
Two numbers are respectively 20 percent and 50 percent of a third number. What percent is the second of the first ?