If 5 men can make 5 flags in 5 minutes how many men are required to make 50 flags in 50 minutes

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If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

01 Nov 2018, 03:58

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If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes

E. 100 minutes

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

01 Nov 2018, 04:22

Bunuel wrote:

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes

E. 100 minutes

if 5 machines finish 5 widgets in 5 minutes it means per machine does 1 widget in 5 minutes.Rate of 1 machine = 1 widget/5 minutes.so if 100 machines work together the machines can finish 100 widgets in 5 minutes.

Answer choice B

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

06 Nov 2018, 07:00

Bunuel wrote:

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes

E. 100 minutes

Useful property : no. of machine * time * rate = work 5 * 5 * R = 5R = 1/5.Now we can use this rate to find out the required time: no. of machine * time * rate = work 100 * T * 1/5 = 100T = 5.

Thus the best answer is B.

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

07 Nov 2018, 18:11

Bunuel wrote:

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?A. 1 minuteB. 5 minutesC. 10 minutesD. 15 minutes

E. 100 minutes

The rate of 5 machines is 1 widget per minute, so the rate of 100 machines is 1 x 20 = 20 widgets per minute, so it will take 100 machines 100/20 = 5 minutes to make 100 widgets.Answer: B _________________

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

29 Sep 2020, 07:22

In a lake, there is a patch of lily pads. every day the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

29 Sep 2020, 08:02

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

20 Aug 2021, 04:56

We know M1T1/W1 = M2 T2 /W25 machines 5 minutes to make 5 widgets.So, 5 * 5 /5 = 100 * T2 /100=>T2 = 5

(option b )

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Re: If it takes 5 machines 5 minutes to make 5 widgets, how long would it [#permalink]

20 Aug 2021, 04:56

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