Question

if 3kgs of rice cost rs120,what is the cost of 7kgs of rice



step by step plz

Answer 1

Answer:

Cost of 1 kg rice = 120 / 3 = 40

Cost of 3 kg rice = 120

Cost of 7 kg rice = 7× 40

= 280

The cost of 7 kg rice is ₹ 280.

Answer 2

Answer:

The cost of 7 kg rice is $Rs 280$

Step-by-step explanation:

As per the data in given equation

In above question it is given that

Given the data in question

3kgs of rice cost rs120

We have find the  cost of 7kgs of rice

So 3 kg rice cost of Rs120

Then, 1 kg rice cost

$=\frac{120}{3} \\Rs=40$

So, 1 kg rice of cost is $Rs 40$

The cost of 7 kg rice is $=$ $1$ kg cost of rice $\times7$

$40\times 7$

Multiplication $40$ into $7$ ,Simplify we get,

$40\times 7\\Rs 280$

Hence cost of 7 kg rice is $Rs 280$