Question

the quantity of tea is sold at rs.48 per kg at a profit of 20%. The total gain is Rs.90 . What is the quantity of tea sold?

Answer 1

$let \: quantity \: be \: x \\ cp = 48x \\ p = 20\% \: of \: 48x \\ 90 = \frac{20}{100} \times 48x \\ x = 450 \div 48 \\ x = 9.375 \: kg$