Question

if 21 workers can finish a job in 12 days how many workers should be employed to finish it in 7 days​

Answer 1

Answer:

let the number of workers to be emplyoed be x

$It\:is \: a \: case \: of \: inverse \: proportion \\ so \\ 7x = 21 \times 12 = \frac{21 \times 12}{7} \\ = 12 \times 3 = 36 \\ \red \star \mathcal{PLS.\:MARK\:AS\:BRAINLIEST}\red \star$

Answer 2

Step-by-step explanation:

that's is perfect answer