The ratio of income and expenditure of a person is 4 : 3. If income is increased by 20% and expenditure is decreased by 10% then what is the percentage increase or decrease in the savings?
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Answer:
110%
Explanation:
income/expenditure = 4/3
income = expenditure+ savings
4x = 3x+savings
x = savings
income increased by 20% and expenditure decrease by 10%
4x+4x/5 = 3x-3x/10+savings
savings =x+11x/10
which is 110% more than x
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