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WASSCE
A man is five times as old as his son, in four years time, the product of their ages would be 340. if son's age is y, express the product of their ages in terms of y.
A.
5y2 - 16y - 380 = 0
B.
5y2 + 24y - 308 = 0
C.
5y2 - 16y - 330 = 0
D.
5y2 + 24y - 324 = 0
Answer: D
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