Answer:
1.25 hours = 1 hour and 15 minutes
Explanation:
The total amount of time that he worked was 5 hours. 
And 25% of that time he spend it edging the flower bends. 
Thus, in order to solve this problem we need to find how much is 25% of 5 hours. 
To find a percentage of any quantity '
 ' we apply the following formula:
' we apply the following formula:

in this case the quantity is 5 hours, and the percentage we want is 25%, so: 
25% of 5 hours = 

25% of 5 hours = 

25% of 5 hours = 

he spend 1.25 hours edging. Or you can also represent 1.25 hours as 1 hour and 15 minutes