Arthur's father is 4 times as old as Arthur. After 5 years, the father is three times as old as Arthur. Find their present ages.
Representation: x = Arthur's age
4x = Father of Arthur's age
Now Five years from now
Arthur x x + 5
Arthur's Father 4x 4x + 5
Equation: 4x + 5 = 3(x + 5)
Solution: 4x + 5 = 3(x + 5)
4x + 5 = 3x + 15
x = 10; 4x = 40
Answer: Arthur is 10 years old while his father is 40 years old.
Check: 4x + 5 = 3(x + 5)
4(10) + 5 = 3(10 + 5)
40 + 5 = 30 + 15
45 = 45 (check - correct)
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Why does Math always remind us of 'x' haha dejk hope my answer helped thooo :)))
