Question

Answer in unitary method 45 cows can graze a field in 13 days. How many cows will graze the same field in 9 day's?

Answer 1

In 13 days, 45 cows can graze a field.
In 1 day , 45×13 cows can graze a field.
In 9 days, 585/9 = 65 cows can graze a field.

Answer 2

$\large\green{\boxed{Solution : \longrightarrow}}$

$For \: \: 13 \: \: days \: \: no. \: \: of \: \: cows = 45$

$For \: \: 1 \: \: day \: \: no. \: \: of \: \: cows = 15 \times 13$

$For \: \: 9 \: \: days \: \: no. \: \: of \: \: cows = \frac{45 \times 13}{9} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \blue{ = 65 \: cows}$

$\green{\boxed{I \: \: hope \: \: it \: \: wil l \: \: help \: \: you}}$