Problema Solution
x age is 5 more than y today. After 10 years y is 45. what will be x after 20 years?
Answer provided by our tutors
Today:
x = y + 5
After 10 years:
y + 10 = 45
By solving the system of equations:
x = y + 5
y + 10 = 45
........
click here to see the system of equations solved for x and y
........
x = 40
y = 35
After 20 years x will be 35 + 20 = 55 years old.