Question

A number increased by 20% gives 42. The number is
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Answer 1

Let the number be x.

according to question,

x+20% = 42

x+20/100 = 42

x+2 = 42 * 100

x= 4200-2

x = 4198

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Answer 2

Answer:

the number is 209 / 5

Explanation:

= let the number be x

= 20 / 100 + x = 42

= 1 / 5 + x = 42

= 5x +1 / 5 = 42

= 5x + 1 = 42 × 5

= 5x + 1 = 210

= 5x = 210 - 1

= 5x = 209

= x = 209/ 5