Question

33 cows can graze a field in 12 days how many cow will graze the same field in 9 days

Answer 1

33 cows x cows

=

12 days 9 days

so , it is inverse proportion = 9 × 12

______

33

3 can divide 9 ,33 and 12so answer is 12 cows

Answer 2

$33 \times 12 = x \times 9$

then

$33 \times 12 \div 9 = x$

$44 = x$

that means 44 required to graze the field within 9 days