Answer: Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3 =45 hours.
Step-by-step explanation:
Given : Duration of Tina practiced piano last month= 15 hours
Duration of Tina practiced piano this month= 45 hours
We can see 45 is a multiple of 15 such that 
Therefore, Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3= 45 hours.
Answer:

Step-by-step explanation:
GIVEN: Tina, Sijil, Kia, vinayash Alisha and shifa are playing game by forming two teams Three players in each team.
TO FIND: how many different ways can they be put into two teams of three players.
SOLUTION:
Total number of players 
total teams to be formed 
total players in one team 
we have to number of ways of selecting
players for one team, rest
will go in other team.
Total number of ways of selecting
players 


Hence total number of different ways in which they can be put into two different teams is
Answer:
the answer is 3
Step-by-step explanation:
it just is
Answer:
yesssirrr
Step-by-step explanation:
Answer:
D
Step-by-step explanation: