Question

if the cost of 3 kg of sugar is rupees 84 the find the cost of 5 kg of sugar​

Answer 1

Answer:

Rs. 140

Step-by-step explanation:

Cost of 3 kg of Sugar = Rs. 84

Then Cost of 1 kg of Sugar = Rs. 84 / 3 = Rs. 28

Now For 1 kg it costs Rs. 28 then for 5 Kg it would cost: 5 × 28 = 140

Hence the cost of 5 kg of sugar is Rs. 140

Alternative Method:

Using Direct Variation method we can solve too

⇒ 3 kg = 84 :: 5 kg = ? ( x )

Product of Means = Product of Extremes

⇒ 3 × x = 84 × 5

⇒ 3x = 420

⇒ x = 420 / 3 = 140

Hence 5 kg would cost Rs. 140.

Hope it helped !!