Answer:
4) Dmytro drank more juice
5) Henrietta is older
Explanation:
4)
Dmytro drank 7/4 bottles which is 1.75 bottles
Jitka drank 1 1/2 bottles which is 1.5 bottles
So, Dmytro drank more juice
5)
Henrietta is 7 2/3 years old which is 7.66
Jagdeep is 65/12 years old which is 5.41
So, Henrietta is older