Question

If 5 more men are added, how long will it take to complete same piece of work?
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Answer 1

Answer:

Given:-

15 men can do a piece of work in 80 days.

To Find:-

If 5 more men are added, how long will it take to complete same piece of work?

Concept Used:-

Direct Proportion

Solution:-

Let the number of days taken after adding 5 more men be x.

According to question,

\sf :\implies\:\dfrac{15}{20}=\dfrac{x}{80}:⟹

20

15

=

80

x

On Cross Multiplication,

\:20x=80\times15:⟹20x=80×15

\\:20x=1200:⟹20x=1200

\\:x=\dfrac{1200}{20}:⟹x=

20

1200

=\dfrac{120}{2

:⟹x= 2 =120

:x=60:⟹x=60

Hence, 60 days will be taken to complete a piece of work after adding 5 more men.

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Answer 2

Answer:

60 days

Step-by-step explanation:

Let the number of days taken after adding 5 more men be x. Hence, 60 days will be taken to complete a piece of work after adding 5 more men