Questions on Algebra: Expressions involving variables, substitution answered by real tutors!

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Question 154103: A machine can fill 3864 cartons of milk in 0.4 hour. How many cartons of milk can it fill per hour?
I came up this 7728. Can you tell me if this is correct?: A machine can fill 3864 cartons of milk in 0.4 hour. How many cartons of milk can it fill per hour?
I came up this 7728. Can you tell me if this is correct?
Answer by stanbon(18743) About Me  (Show Source):
You can put this solution on YOUR website!
A machine can fill 3864 cartons of milk in 0.4 hour. How many cartons of milk can it fill per hour?
I came up this 7728. Can you tell me if this is correct?
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3864/0.4 = x/1
cross-multiply 0.4x = 3864
x = 3864/0.4
x = 9660 cartons in 1 hour.
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Cheers,
Stan H.