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Answer to Q169
Alex pays A for rent and then it was increased by 50%. The new rent was also increased by another 50%. What is the percentage increase of the old rent A to Alex current rent?
Let us assume the initial rent is $100.
then it was increased by 50%: 50% of $100 = $50
So new rent is 100 + 50 = $150
The new rent was also increased by another 50%: 50% of $150 = $75
Current rent = 150 + 75 = $225
What is the percentage increase of the old rent A to Alex current rent: = (difference between current rent and old rent) ÷ old rent
= ((225-100) ÷ 100) x 100%
= (125 ÷ 100) x 100%
= 125%
Answer: 125%
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