Question 934106
In 5 years’ time Pam will be twice as old as Sam was two years ago. Pam is 8 years older than Sam. How old is Sam?
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let x=sam's age
x+8=pam's age

In 5 yrs:
x+8+5=x+13=pam's age
..
2 yrs ago
x-2=sam's age
..
x+13=2(x-2)
x+13=2x-4
x=17
sam's age=17