If 6 identical machines can fill 80 bottles of soda in 12 seconds, how many seconds would it take 36 of the same machines to fill 240 bottles of soda?

A.
6
B.
12
C.
18
D.
24
Mathematics
Competition
Math League
Exam No:2018 First Round Grade 7 Year:2018 Question No:27

Answer:

A

Knowledge points:

G7 - Algebra - Rate Problems (Work-Rate)

Solution:

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