Question

400 grams cake costs 80 rupees. How much would a 1.5 kg cake cost?

Answer 1

The solution is
(1500*80)/400
=300

Answer 2

Heya,

According to the question,

Cost of 400grams cake = ₹80

So, 1 gram of cake will cost = 80/400
= ₹1/5

1 kg = 1000grams
So, 1.5 kg = 1500grams

Cost of 1500grams cake = 1500*1/5
= ₹ 300

So, the cost of 1.5 kg cake is ₹300.

Hope this helps....:)