A man will be (x+10)years old in 8years time. If 2years ago he was 63...
MATHEMATICS
WAEC 2021
A man will be (x+10)years old in 8years time. If 2years ago he was 63 years., find the value of x
- A. 55
- B. 63
- C. 57
- D. 67
Correct Answer: B. 63
Explanation
A man will be (x+10) years old in 8years time.
As at today, he is x + 2 years of age.
The man was 63 years old 2 years ago, so he is 63+2=65 now.
8 years from now, he will be 65+8=73.
He will be (x+10) years old when he is 73. So
x+10=73
x=73-10=63
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