Question

• Twelve men can complete a job in 15 days. How many men will be required to finish the
work in 9 days?​

Answer 1

15days=12mens

so,1day=12/15men

that's why 9day=12/15 *9=7.2 answer

Answer 2

12 men= 15 days

x= 9 days

$\frac{12}{15}$ = $\frac{x}{9}$

U have to cross multiply.

$\frac{12*9}{15*x}$

x= $\frac{12*9}{15}$

x= 7.5 men

U will get answer is decimal but as people can't be in decimal. U can atlast write 7 men.

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