Problema Solution
David is 3 times older than alice. ten yrs ago david's age was twice that what alice's age will b in 5 years.how old is david n alice
Answer provided by our tutors
Let
x = the age of David
y = the age of Alice
x = 3*y
x - 10 = 2*(y + 5)
Lets solve the system equations
x = 60
y = 20
David is 60 years old and Alice is 20 years old.