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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
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Correct Answer: Option B
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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