Question

I went to the market and bought 1½ kg of sugar for ₹ 25 . how much would I have to pay for 500 gm? ​

Answer 1

1½ kg =1500 grams

it's an direct variation

thus,

1500/25=500/x

25×500=1500×x

25×500=1500x

12500=1500x

8.3=x

thus,

we need to pay 8.3 rupees for 500 grams of sugar