Answer:
3 bottles 
Explanation:
Given that :
Total liters of fertilizer = 5/7 litres
Amount put into each smaller bottle = 1/5 liters
Number of small bottles filled :
Total liters of fertilizer ÷ amount put into smaller bottles
5/7 litres ÷ 1/5 litres 
5 /7 * 5 /1 
= 25 / 7
= 3.57 
Hence, 3 bootles was filled