Answer :
X varies directly with Y
Y=KX
Y/X = K K is the constant
36/3= K
12 = K
When X=5,
Y/5=12
Y= 12*5
Y=60
Y=KX
Y/X = K K is the constant
36/3= K
12 = K
When X=5,
Y/5=12
Y= 12*5
Y=60