Question

if 3 kg of oranges cost ₹45,find the cost of 5kg of oranges​

Answer 1

answer is 75

3×15=45
so 1 orange =15

5×15=75 so cost is 75

Answer 2

Cost of 3 kg Oranges = Rs.45
Cost of 5 kg Oranges = ?

The Cost of 3 kg Oranges = 45Rs.
Therefore,
1st obtaining the cost of 1kg Oranges
= Cost of 3 kg Oranges ÷ 3
= 45÷3
=15 Rs.

Hence,
Cost of 5 kg Oranges
=Cost of 1kg Oranges ×5
=15×5
=75 Rs.

Therefore cost of 5kg Oranges = 75 Rs.