Let's assume the number as x .
15% of x = [tex]\dfrac{x \times 15}{100} [/tex]
→ [tex]\dfrac{3x}{20} [/tex]
So after reducing 15% the number will be 6154 .
→ x - 3x/20 = 6154
→ 17x/20 = 6154
→ 17x = 6154 × 20
→ 17x = 123080
→ x = 123080/17
So the number is 7240
