A person spends 1/8th of his salary on travel,1/3rd of the remaining on food, he then spends 1/5th of the remaining on rent. Finally he puts 1/4th of the remaining as a monthly savings, after which he has 20000 left. What is his salary (in rs.)?
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let the original salary be = x
salary spent on travel =x/8
salary spent on food = x/8 - x/3 = -5x/24
salary spent on rent = x/8 - x/3 - x/5 = -49x/120
salary spent on savings = x/8 - x/3 - x/5 - x/4 = -79x/120
money left = 20 000
You need to subtract all the values and equate them to 20 000 as it is long am doing it directly
x - x/8 -(-5x/24)-(-49x/120)-(-79x/120) = 20000
x = 400000/43
this is my answer
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