The monthly salary of Rani is increased by 25%. If the new salary is * 25000, find her salary before increase
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Answer: 20000
Step-by-step explanation: New salary = 25000
Let the original salary before be X
Then X + 25X/100 = 25000
= X + X/4 = 25000
= 5X/4 = 25000
= 5X = 100000
= X = 100000/5 = 20000
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