Math, asked by Danielvekhe, 1 year ago

A number is first increased by 20% and then decreased by 15%.find the net increase or decreased percent.

Answers

Answered by najmussakib
0
5%is the correct answer
Answered by AnIntrovert
18

\large\green{\textbf{\underline{\underline{Here\:is\:your\:Answer :- }}}}

• Let the Number be 100.

➟ 100 × (100 + 20)% × (100 - 15)%

➟ 100 × 120% × 85%

➟ 100 × \large\tt{\frac{120}{100}} × \large\tt{\frac{85}{100}}

➟ 100 × \large\tt{\frac{12}{10}} × \large\tt{\frac{17}{20}}

➟ 10 × 12 × \large\tt{\frac{17}{20}}

➟ 102%

2% increase

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