rangkaian paralel R2=R3=10 ohm rangkaian seri R1=2 R4=5 R5=3 V=30 volt berapakah kuat arus yg mengalir??

1/Rp = 1/R2 + 1/R3
1/Rp = 1/10 + 1/10
1/Rp = 2/10
Rp = 5 ohm

Rs = R1 + R4 + R5
Rs = 10 ohm

Rtotal = 5 + 10 = 15 ohm

I = ... ?
V = I R
30 = 15 I
I = 30/15
I = 2 A