document.write( "Question 859073: When it is 1/5 full of water (by weight) a jug weights 560 grams. When it is 4/5 full, the jug weights 740 grams. What does the jug weigh in grams when it is empty\r
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Algebra.Com's Answer #517537 by josgarithmetic(39617)\"\" \"About 
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Let j = the mass of the jug in grams.\r
\n" ); document.write( "\n" ); document.write( "Difference between 1/5 full and 4/5 full is |560-740| grams.
\n" ); document.write( "That is 3/5 of capacity is 180 grams. Proportioned to full 5/5 of capacity, \"%285%2F3%29180=300\" grams.\r
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\n" ); document.write( "\n" ); document.write( "Taking either of the given quantities, here trying 1/5 full, \"j%2B%281%2F5%29300=560\"; solve this for j.
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