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## Homework Statement

I am asked to calculate the total resistance of this circuit

## Homework Equations

1/rt =1/r1+1/r2+1/r3....etc - parallel

RT=r1+r2+r3...etc - series

## The Attempt at a Solution

1/rt = 1/2 +1/2 +1/1

rt=1/2

then i tried adding 2 to it (from the top two resistors added together in series i think...)

rt=2.5