Question

If 9 men can knit a carpet in 10 days,
how many days will 15 men do the same
​

Answer 1

9 men do work = 10days

1 men do work = 1/10 days

15 men do then work = ?

15 men 1 day work = 1/15+1/10 = 2+3/30

= 5/30

= 1/6

15 men do work in 6 days

Answer 2

$9 \: men \: can \: knit \:carpet \: in = 10days$

So,

$1 \: man \: can \: knit \: carpet \: in = \frac{10}{9}$

To Find:-

How many Days the 15 men will do the same

Solution:-

$15 \: man \: can \: knit \: carpet \: in \: = \frac{10 \times 15}{9}$

$= > \frac{10 \times 5}{3}$

$= > \frac{50}{3}$