4.tentukan nilai p 5.tentukan nilai x 6.tentukan nilai x dan y

4. 9/3 = 12/p
P = 3 × 12/9
P = 4
5. 6/4 = 3/x-3
x = 6 ( x-3 ) = 12
x = 6x - 18 = 12
x = 18 + 12 = 6x
x = 30 =6x
x = 30/6 = x
x = 5
6.
x = 6/4 = x/2
x = 6 × 2/4
x = 3
y = 6/4 = y/10-y
y = 6 (10-y) = 4y
y = 60 - 6y = 4y
y = 60 = 6y + 4y
y = 60 = 10 y
y = 60/10
y = 6