a man earns rs 40 per day and a woman earns rs.30 per day. the man is worked for x days in a month while the woman is working for y days in a month. they spend 30x and rs 25y respetively. what is their total savings
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men women
earns..4ox............ 30y
spend 30x..............25y
savings 10x............ 5 y
Total = 10x+5y
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