Bala sold an article for #6,900.00 and made a profit of 15%. Calculate his percentage profit if he had sold it for N6,600.00.

  • A 5%
  • B 10%
  • C 12%
  • D 13%
waec 2019mathematics

The correct answer is B. 10%

15 = (\(\frac{6,900 - C.P \times 100}{C.P}\))

15 C.P = 690000 - C.P 100

C.P = \(\frac{690000}{115}\)

C.P = N6,000

%profit = \(\frac{6,600 - 6,000}{6,000}\) x 100

= \(\frac{600}{6,000}\) x 100 

= 10%

Previous question Next question