Question

32 men can do a piece of work in 20 days if the work is to be completed in 16 days how many needs to be hired​

Answer 1

Answer:

No. of people need to complete the work in 16 days be x

$\blue{\bold{\underline{\underline{}}}}$

Equation will be :-

⠀ ⠀⠀ 32 - 20

⠀⠀⠀⠀ x - 16

$\blue{\bold{\underline{\underline{}}}}$

It is indirect variation !

So,

: $\implies$ x × 16 = 32 × 20

: $\implies$ 16x = 640

: $\implies$ x = $\dfrac{640}{16}$

: $\implies$ x = 40

$\blue{\bold{\underline{\underline{}}}}$

Therefore, 40 men are required in order to complete the work in 16 days

Answer 2

Answer:

Equation will be :-

⠀ ⠀⠀ 32 - 20

⠀⠀⠀⠀ x - 16

\blue{\bold{\underline{\underline{}}}}

It is indirect variation !

So,

: \implies⟹ x × 16 = 32 × 20

: \implies⟹ 16x = 640

: \implies⟹ x = \dfrac{640}{16}

16

640

: \implies⟹ x = 40

\blue{\bold{\underline{\underline{}}}}

Step-by-step explanation:

mark me as brainleast if you find it helpful