Answer:
10 units
Step-by-step explanation:

Answer:
12
Step-by-step explanation:
So, she practices 12 hrs per week, and already has practiced 3 hrs this week.
This means she has 9 hrs left to practice.
3/4 of an hour is one session, so to find out the number of sessions she needs, you have to do (9 hours)/(one session)
which is basically 9 / ( 3/4)

She needs 12 more sessions.
Answer:
Ok im, not 100% sure but the answer is for 1-10, 2-20, 3-40, 4-40
Answer: The first blank space is 45 and the one at the bottom is 10