The average rainfall in a city for the first four days was recorded to be 0.40 inch. The rainfall on the last two days was in the ratio of 4:3. The average of six days was 0.50 inch. What was the rainfall on the fifth day?

The average rainfall in a city for the first four days was recorded to

1.	The average rainfall in a city for the first four days was recorded to be 0.40 inch. The rainfall on the last two days was in the ratio of 4:3. The average of six days was 0.50 inch. What was the rainfall on the fifth day?
A.	0.60 inch
B.	0.70 inch
C.	0.80 inch
D.	0.90 inch
Answer» D. 0.90 inch