Answer :
at least x one bottle of water
A.15.49-10.99:3=x
B.15.49-10.99=4.5 $ the 3 bottles
4.5:3=1.5 $ each bottle
A.15.49-10.99:3=x
B.15.49-10.99=4.5 $ the 3 bottles
4.5:3=1.5 $ each bottle