Set up appropriate equations and solve the given stated problems. All numbers are accurate to at least two significant digits.

The current through each of the resistances R₁ and R₂ in Fig. 6.7 equals the voltage V divided by the resistance. The sum of the currents equals the current i in the rest of the circuit. Find the voltage if i = 1.2 A, R₁ = 2.7Ω, and R₂ = 6.0Ω.

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Fig. 6.7 R₁ R₂