We can see that resistors R1, R2, and R3 are connected in parallel, and their equivalent resistance (Rp) can be found using the formula:
$\frac{1}{R_p} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3}$
Now, we can find the total resistance (Rt) of the circuit by
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