(1) The ratio of monthly income to the savings of a family is 7:2. If – InterviewSolution

1.	(1) The ratio of monthly income to the savings of a family is 7:2. If the savings be of rupees 500, find the income and expemditure. (2) The ratio of zinc and copper in an alloy is 7:9 , If the weight of the copper in the alloy is 11.7 kg, find the weight of the zinc in the alloy.
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