Question

The cost of 3 kg of rice is rupees 120 so what will be the cost of 8 kg of rice

Answer 1

Answer:

320

Step-by-step explanation:

it is using unitary method.

3kg rice costs rupees 120

which means that 1 kg rice =120/3=40

8kg rice=8*40=320

Answer 2

Answer:

Your question is simple. Let me show you how it's done...

Step-by-step explanation:

The cost of 3kg of rice is ₹120 .

$the \: cost \: of \: 1 \: kg \: of \: rice \: = \: \frac{120}{3}$

$the \: cost \: of \: 8 \: kg \: of \: rice \: = \: \frac{120}{3} \times 8$

=> ₹ (40 × 8) = ₹320