Problema Solution
barbara's age is 5 years less than her brother's age if her age is increased by 3 times her brother's age the result is 51 years find each of their age
Answer provided by our tutors
Let
x = Barbara's present age
y = her bother's present age
x = y - 5
x + 3y = 51
........
click here to see the system of equations solved for x and y
........
x = 9 years
y = 14 years
Barbara is 9 years old, while her brother is 14 years old.