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  2. A number increased by 37 1⁄2 % gives 33. The number is
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A number increased by 37 1⁄2 % gives 33. The number is

Answers (1)
S Satyajeet Kumar

Give a variable name (usually a letter, maybe x) to the number. 
Now it reads:
x increased by 37 1/2% ( of x) gives 33, or
x + (37 1/2 % * x) = 33
x + (37.5%x) = 33
1x + (.375x) = 33
1.375x = 33
Divide both sides by 1.375
x = 24

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