Answer:

1kg contains 1000gm

Therefore rate of 1000gm of chiken is Rs.170

We want weight of 100gm chiken.

Therefore,

1000gm —————Rs.170

100gm—————- Rs. ?

Cross multiplication is followed

Rs. 170 × 100gm ÷ 1000gm

= Rs. 17

Therefore weight of 100gm of chiken is Rs. 17

Verified answer

Answer:

750 g of chicken costs= Rs 150

1 g of chicken costs= Rs 750/150

Thus, 1000 g = 1 kg of chicken costs=  750/150* 1000= Rs 500 (ans)

(The answer was derived by simple unitary method)