Answer:0.80
Step-by-step explanation:please i don't really know how to explain this i am very sorry
i have an app for you, its called photo math. all you have to do is scan a math problem like that and it will give you an answer!
hope this helped and i hope you find your answer because i have no clue what the answer is sadly, im bad at math! lol
First one the one that has the blue inside
For this case, we have initially both plants are 3 cm tall.
If a month later the plant A is 7 cm higher, it means that its height will be:

If they tell us that plant B is half the height of plant A, that means:

Answer:
5 centimeters