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# A certain machine produces 1,000 units of product P per hour. Working

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Re: A certain machine produces 1,000 units of product P per hour. Working [#permalink]
RSOHAL
A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000

The efficiency of the machine is 1000 units/p hour

7 days = 24*7 => 168 Hours..

So, No of units produced is 168000 units, answer must be (E)
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Re: A certain machine produces 1,000 units of product P per hour. Working [#permalink]
RSOHAL
A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000

Since there are 24 hours in a day, the machine can produce 1000 x 24 x 7 = 168,000 units of product P in 7 days.

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Re: A certain machine produces 1,000 units of product P per hour. Working [#permalink]
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RSOHAL
A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?

A. 7,000
B. 24,000
C. 40,000
D. 100,000
E. 168,000

A certain machine produces 1,000 units in 1 hour
So, the machine produces 24,000 units in 24 hours
In other words, the machine produces 24,000 units in 1 DAY
So, the machine produces (24,000)(7) units in 7 DAYS

(20,000)(7) = 140,000
So, (24,000)(7) = some number greater than 140,000

Cheers,
Brent
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Re: A certain machine produces 1,000 units of product P per hour. Working [#permalink]
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Re: A certain machine produces 1,000 units of product P per hour. Working [#permalink]
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