JAMB - Mathematics (1980 - No. 13)
A man and his wife went to buy an article costing N400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether?
N216
N200
N184
N144
N100
Giải thích
10% of 400 = N40, Remainder = N360
40% of 360 = N144
Altogether they 144 + 40
= N184
40% of 360 = N144
Altogether they 144 + 40
= N184