Question

If 30 men can finish a work in 45 days. How many more men will finish the same work in 25 days
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Answer 1

Total 54 men

54 - 30

24 more men required

Answer 2

GIVEN,

30 men=45 days

25 days=x men

$30x = 45 \\ x = \frac{45}{30 } \\ x = 1.5$

so 1 men can finish the work in 1.5 days.

$1.5 = x \\ 25 \div 1.5 = x \\ 5 \div 0.3 = x$

i hope now you can finish