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Y=Xn
Y/n=X
y = 3x y = 3*19 = 57
y is directly proportional to x. When y = 15, x = 3 therefore y = 5x When x = 12, then y = 5 x 12 = 60.
4x= y
y = 10x
-6/y=5/-2 5y=12 y=12/5
m = xn/(n + y)
y = -5
40
57
if y=1/4x and x=,find y
3
y is 12
y = 8
8
290
80
25