It takes $8$ days for $12$ men to construct a wall. How many men should be put on the job if it is required to be constructed in $6$ days?

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Solution

Time taken by $12$ men to construct a wall = $8$ days.
Time taken by $1$ man to construct a wall = $12 \times 8$ days

$∴$ Time taken by $6$ men to construct a wall = $\frac{12 \times 8}{6} d a y s$
$= 16 d a y s$

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It takes 8 days for 12 men to construct a wall. How many men should be put on the job if it is required to be constructed in 6 days?

Time taken by 12 men to construct a wall = 8 days.Time taken by 1 man to construct a wall = 12×8 days∴ Time taken by 6 men to construct a wall = 12×86 days =16 days

It takes $8$ days for $12$ men to construct a wall. How many men should be put on the job if it is required to be constructed in $6$ days?

Time taken by $12$ men to construct a wall = $8$ days.
Time taken by $1$ man to construct a wall = $12 \times 8$ days

$∴$ Time taken by $6$ men to construct a wall = $\frac{12 \times 8}{6} d a y s$
$= 16 d a y s$