Answer:
5
Step-by-step explanation:

I know u gonna use calculator girl.
The answer is c because if you have 9 legos and your friends gives you 10 You have now 19 legos
Answer:
75%
Step-by-step explanation:
Let x be the percentage for sports club members.
x% of 20 = 15
x/100 x 20 = 15
x/5 = 15
x = 75