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Subjects
Mathematics State Board
Class 8
Life Mathematics
Compound Variation
9.
Determine the number of machines
Exercise condition:
5
m.
In a shoe manufacturing company,
12
machines can manufacture
240
shoes in
16
days.
Find the number of machines that
are needed to manufacture
480
shoes in
12
days? (Solve using
proportion method
)
The number of machines needed is
33
31
32
30
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