Question

the cost of 3 and half kg of of rice is Rs 140. find the cost of 1jg of rice

Answer 1

3.5=140
1=140/3.5=1400/35=200/5=40

Answer 2

1kg = 1000 grams

1kg = 1000 grams costs 180 Rupees,

so 1 gram costs 180/1000 = 0.18 rupees

So, 600 gram would cost 600g*0.18Rs = 108 Rupees