Sagot :
Since Ben is twice as old as Francis, he is 2*10yrs old = 20 years old
If Francis is 10 years old, and Ben is twice as old as Francis.
Then,
Francis = 10
Ben = 2 (10 ) = 20
So, Francis is 10 years old while Ben is 20 years old.
Then,
Francis = 10
Ben = 2 (10 ) = 20
So, Francis is 10 years old while Ben is 20 years old.