Problema Solution
A sister is 6 years elder to her brother. Two-third of the sister's age s 3years more than three-fourth of her brother's age how old is the brother and sister?
Answer provided by our tutors
sister's age = x; brother's age =y. We have
x-y=6
2/3 x - 3/4 y = 3
=> y=12
x= 18