Question

Find the number which when increased by 25% becomes 105.

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Answer 1

Answer:

Required number = 80

Step-by-step explanation:

Let the number be x.

==: x + 25% of x = 105

==: x + 25/100 * x = 105

==: x + x/4 = 105

==: 4x + x = 420

==: 5x = 420

==: x = 80

Answer 2

Answer:

required answer = 84

Step-by-step explanation:

let the number be x

x+25/100 of x = 105

x+4*x = 105

x + 4x = 105*4

5x = 420

x = 84