Answer:
1:10
Explanation:
We are given that
Cafe A offers free bottled of water or juices =2
Purchased drinks from cafe A =20
Cafe B offers free bottles of water or juices=3
Purchased drinks form cafe B=25
We have to find the ratio of cafe's A offer free drink to purchased drink.
To find the ratio of cafe A free drinks to purchased drinks we will divide the amount of free bottles offers by cafe A by amount of purchased bottles from cafe A.
Ratio of free drinks to purchased drinks =

Ratio of free drinks to purchased drinks=

Ratio of free drink to purchased drinks=1:10
Hence, Cafe A's ratio of free drinks to purchased drinks=1:10