Question

If the cost of 7 kg of onions is Rs. 84. Find the cost of 3 kg of onions.​

Answer 1

Respuesta:

The answer is: 36 Rs.

Explicación paso a paso:

You just have to apply a rule called: "rule of 3". That is basically an simplification for the equation:

7kg/3kg = 84 Rs./x

Solving this equation:

x = (3*84 Rs.)/7 ; this implies that x = 36 Rs.