Fareeha is 4 years older than her younger sister. After 10 years, the sum of theirs ages will be 48 years. Find the present age of Fareeha?
Answer: 16 years
Explanation
Let the younger sister's present age be x.
Fareeha's present age = x + 4
After 10 years:
Younger sister's age = x + 10
Fareeha's age = x + 4 + 10 = x + 14
Given:
x + 10 + x + 14 = 48
2x + 24 = 48
2x = 24
x = 12
Fareeha's present age = x + 4
= 12 + 4
= 16 years
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