Question

salt of 6kg costs Rs•180• what will be the cost of 3kg of salt?​

Answer 1

Rs 90 is the answer of this question

Answer 2

$6kg \: salt = 180rs \\ 1kg \: salt = \frac{180}{6 } \\ 1kg = 30rs \\ 3kg \: salt = 3 \times 30rs \\ 3kg \: salt = 90rs$