Question

Mr. Kofi sold a machine and made a profit of 15%. The buyer later sold it to Mr. Nana and made a loss of 10%. If mr. Nana paid $20,700.00 for the machine, how much did Mr. Kofi buy it?

Answer 1

Let consider, Kofi purchase at =$ X

therefore we can say :-

for Kofi,

CP = X

SP = X ×15% = 23X/20

now for Nana,

CP = 23X/20

SP= 23X/20 × 9/10

According sum:-----

23X/20× 9/10 = 20700

X = 20000

Ans:--- Kofi purchased at $20000.