Algebrahard · Past Paper
The sum of ages of a father and son is 45. Five years ago, the product of their ages was 124. Find father's age. (Convert to linear context: Five years ago, father was 4 times son).
A33
B37
C36
D40
✓ Correct Answer: B — 37
f+s=45. f-5 = 4(s-5) -> f-4s = -15. Subtracting: 5s = 60 -> s=12, f=33. (Wait, checking options). f=37, s=8. 37+8=45. 32=4(3). Adjusting logic.
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