In each classroom in my school there are 6 groups of chairs, with 3 chairs per group. If there are 270 chairs in all, there are $$\(\frac{7}{2}\)$$ classrooms.
A.
15
B.
30
C.
45
D.
90
Exam No：2021 First Round Grade 6 Year：2021 Question No：5
Answer:
A
Knowledge points:
G6 - Arithmetic - Integer Operations (All Operations)
Solution:
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