Question

If 9kg of food contains 25000 calories, how many kg of food will contain 5000 calories?

Answer 1

Answer:

Let x kg be the food containing 5000 calories

9 kg food contains 25000 calories

Therefore, 9 = 25000

x = 5000

Therefore by closs multiplication we get

25000x= 9×5000

x = 9×5000/25000

x= 9/5

x = 1.8

Therefore 1.8 kg food will contain 5000 calories