A man is 47 years old, and his sister is 43 years old. How many years ago was it when the man was twice as old as his sister?
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0
difference=4
47-x=2(47+4)+x
47+x=102-x
2x=55
x=27.5
47-x=2(47+4)+x
47+x=102-x
2x=55
x=27.5
Answered by
2
Answer:
Step-by-step explanation: 47-x=2(43-x)
=>47-x=86-2x
=>x=39
Hence, 39 years ago from now, the man was twice as old as his sister.
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