You can use either of these, depending on your teacher.
2.e+14
2.0*10^14
Answer:Bottle B
Step-by-step explanation:
Given
Bottle A has 175 fluid ounce and cost 
So it cost 
Bottle B has 138 fluid ounce and cost 
So it cost 
Bottle C has 100 fluid ounce and cost 
So it cost 
Bottle D has 72 fluid ounce and cost 
So it cost 
So, Bottle B delivers more ounces at same price
Answer:
10:20
Step-by-step explanation:
because 15 is half of 30
and then 10 is half if 20