A man spends 2/5 of his salary on food and 3/10 of the remaining on house rent, electricity, etc. What fractinon of his salary is still left with him ?
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suppose the salary earned by him is x,
So, money spent on food is x×2÷5
i.e. 2x/5
money spent on house rent, electricity, etc. =3/10*2x/5
=6x/50
salary left with him= x-6x/50
=44x/50
∴salary left with him should be equal to 22x/25.
So, money spent on food is x×2÷5
i.e. 2x/5
money spent on house rent, electricity, etc. =3/10*2x/5
=6x/50
salary left with him= x-6x/50
=44x/50
∴salary left with him should be equal to 22x/25.
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