The price of $28kg$ of rice is $₹490$. What is the price of $39kg$ of rice?

Given that price of $28kg$ of rice is $₹490$

Divide both side by $28$

price of $1kg$ of rice$=$ $\frac{₹490}{28}=₹17.5$

Multiply both side by $39$

price of $39kg$ of rice$=$ $₹17.5\times 39=₹682.5$

Hence, the price of $39kg$ of rice is $₹682.50$