Answer:
the answer is 1
Step-by-step explanation:
Answer:
m-9
Step-by-step explanation:
m represents how much cards he used to have he gave away 9 so u subtract
Answer:
-n
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
1/3 of 30 students play sport
30×1/3
= 10
2/5 of this number plays soccer
10×2/5
= 20/5
= 4
Blinding is part of this, as the participants do not know whether they received the competitor's product.