JAMB - Mathematics (2002 - No. 6)
A trader bought goats for N4000 each. He sold them for N180,000 at a loss of 25%. How many goats did he buy?
60
50
45
36
説明
Let the number of goats be X
C.P of X goats = N4000X
S.P of X goats = (75/100) x 4000X = N3000X
3000X = 180,000
=> X = 180000/3000 = 60.
X = 60 goats
C.P of X goats = N4000X
S.P of X goats = (75/100) x 4000X = N3000X
3000X = 180,000
=> X = 180000/3000 = 60.
X = 60 goats