In the figure the current in resistance 6 is i6 = 1.33 A and the resistances are R1 = R2 = R3 = 1.57 Ω, R4 = 14.0 Ω, R5 = 7.57 Ω, and R6 = 3.79 Ω. What is the emf of the ideal battery?
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