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  • When it is 1/5 full of water (by weight) a jug weighs 560 grams. When it is 4/5 full, the jug weighs 740 grams. What does the jug weigh when it is empty

When it is 1/5 full of water (by weight) a jug weighs 560 grams. When it is 4/5 full, the jug weighs 740 grams. What does the jug weigh when it is empty

Answers (1)

Let the weight of the Jug be x and weight of water that can be filled in the jug be y given 

x+ y/5 = 560........(1)

x+4y/5=740..........(2)

Multiply equation (1) with 4 implies

4x+4y/5=2240......(3)

(3)-(2) implies

3x=1500

x=500

So the weight of empty Jug is 500 grams

Posted by

Safeer PP

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