An algebra problem by Pavan Kumar

Algebra Level 1

2/7 portion of a liquid container is filled with water and further addition of 10 litres of water completely fills the container. what is the total capacity of the container in litres?

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Pavan Kumar by Pavan Kumar , 26, India

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3 solutions

Omkar Kulkarni
Jan 13, 2015

Let the total capacity be x x litres.

2 x 7 + 10 = x \frac {2x}{7} + 10 = x

2 x + 70 = 7 x 2x+70=7x

5 x = 70 5x=70

x = 14 x=14

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Akash Gupta
Jan 19, 2015

(2x/7) + 10=1x,i.e, full capacity 10=x-2x/7 10=5x/7 x=10*7/5 x=14 Ans) 14

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Pavan Kumar
Jan 17, 2015

2/7 portion of container is already filled . That means 2 parts out of 7 parts are already filled. The remaining 5 parts are filled by adding 10 litres of water, that means each part is 2 litres. Therefore total capacity of container is 7 parts== 7 X 2=14 litres

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