Liam leave 4 hours before his parents.
Let the speed of Liam be x
Let the speed of Liam's parents be 3x
In 2 hours, his father caught him,
Distance covered by his father = 2(3x)=6x
Total time of Liam covered 6x distance in (t+2) hours.
According to question,
Hence, Liam leave 4 hours before his parents.
Find the number y, if 3 1/3 of y is 60. y is 18
Find the number x, if 11/5 of x is 55. x is 25