Question

The cost of 3kg of sugar is Rs 90 find the cost of 8 kg of sugar

Answer 1

Answer:

if 3KG cost 90

then 1 KG = 90÷3

cost of 1 KG = Rs 30

cost of 8 KG = 8 × 30

cost of 8 KG = Rs 240

Answer 2

The cost of 8 kg of sugar is Rs 240

Solution:

Given that,

The cost of 3 kg of sugar is Rs 90

To find: cost of 8 kg of sugar

From given,

cost of 3 kg of sugar = Rs 90

Therefore,

$\text{ cost of 1 kg suagr } = \frac{90}{3}\\\\\text{ cost of 1 kg suagr } = 30$

Find the cost of 8 kg of sugar

$\text{Cost of 8 kg of sugar } = 8 \times \text{ cost of 1 kg sugar}\\\\\text{Cost of 8 kg of sugar } = 8 \times 30\\\\\text{Cost of 8 kg of sugar } = 240$

Thus cost of 8 kg of sugar is Rs 240

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