A man spend 2/5 of his salary on food and 3/10 of the remaining on house rent electricity,etc. What fraction of his salary is still left with him?
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i think this the answer expecting for suggestions
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multiply 2/5 by 2
=4/10
total savings=4/10 + 3/10 =7/10
then substrat it with 1
ie.1 - 7/10 = 3/10
=4/10
total savings=4/10 + 3/10 =7/10
then substrat it with 1
ie.1 - 7/10 = 3/10
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