Answer:
Solution given:
let age of Jailah be x and grandfather's age be y
according to the question
x=¼y-5.....(1)
x=12...........(2)
Now substituting value of x in equation 1
12 =¼y-5
12+5=¼y
17=¼y
doing crisscrossed multiplication
17*4=y
y=68
Jailah’s grandfather is 68 years old.
