Question

Sri and Devi has a total of 2160g of flour at first. Sri used twice as much flour as Devi. Devi had twice as much flour as Sri. The mass of flour that Devi has left was 60g more than what she has used. How much flour did Sri have at first?

Answer 1

Given:

Sri and Devi have a total of 2160 g of flour at first.

Sri used twice as much flour as Devi.

To find:

How much flour did Sri have at first?

Solution:

Let "x" be the amount of flour Devi had.

Therefore, "2x" is the amount of flour Sri had.

As Sri and Devi has a total of 2160 g of flour at first.

∴ x + 2x = 2160

⇒ 3x = 2160

∴ x = 720

Therefore, the amount of flour Devi had = 720 g

The amount of flour Sri had = 2 × 720 = 1440 g.