Question

A number increasad by 30 percent gives 520 .The number is

Answer 1

Answer:

Letthenumberis

′

x

′

Accordingtothequestion,

x+30%ofx=39

⟹x+

100

30

×x=39

⟹x+

10

3

x=39

⟹13x=39×10

⟹x=

13

39×10

⟹

x=30answer

Explanation:

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