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If it takes a machine 2 ⁄3 minute to produce one item, how many items 24 Jan 2016, 05:50
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E
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15% (low)

Question Stats:

77% (00:53) correct 23% (00:58) wrong based on 147 sessions

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If it takes a machine 2⁄3 minute to produce one item, how many items will it produce in 2 hours?

A. 1⁄3
B. 4⁄3
C. 80
D. 120
E. 180
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E
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If it takes a machine 2 ⁄3 minute to produce one item, how many items 25 Jan 2016, 11:06
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1 item takes 2/3 min so it takes 120 min to produce x

2x/3=120 the x=180

Answer:E
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If it takes a machine 2 ⁄3 minute to produce one item, how many items 26 Jan 2016, 07:02
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180 items. Simple mathematics.
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If it takes a machine 2 ⁄3 minute to produce one item, how many items 29 Jan 2016, 00:14
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Hi All,

In 'unit-conversion' questions, if you're comfortable with the math involved, you can do the necessary work in one 'big' calculation. If you're not comfortable setting up one big equation though, you can still answer the question by breaking the prompt down into smaller 'steps.'

Here, we're told that it takes a machine 2⁄3 minute to produce one item. We're asked how many items are produced in 2 hours (or 120 minutes).

2/3 minute = 1 item produced

If you multiply both sides by '3', you get...

(2/3)(3) = (1)(3)
2 minutes = 3 items produced

Now you know what happens every 2 minutes, so you can "work up" to 2 hours....

2 minutes = 3 items produced
60 minutes = 90 items produced
120 minutes = 180 items produced

Final Answer:
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E

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If it takes a machine 2 ⁄3 minute to produce one item, how many items 14 Dec 2018, 02:59
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Must be more than 120, because the machine produces a little more than 1 item a minute.

E only answer
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