Question

If 4kg of milk is #1800 find the cost of 450g of milk

Answer 1

Answer:

202.5

we can just apply unitary method

4000g .............1800

so 450 g costs ........1800*450/4000

Answer 2

Can be done through Ratio and Proportion:
4: 1800 :: 450 : x
$x = \frac{450 \times 1800}{4} \\ x = \: 202,500$

The cost of
450 kg milk is 202500 Rupees