Jane is 6 years older than her younger sister. After 10 years, the sum of their ages will be 50 years. Find their present ages.

Jane's sister's age = x
Jane's age =x+6
Ten years later
Jane's sister's age = x +10
Jane's age =x+6+10=x+16
x+10+x+16=50
2x+26=50
2x=50-26
2x=24
x=24/2
x=12
Therfore Jane's sister's age = x=12
Jane's age =x+6=12+6=18

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