Solve for V_f
V_{f}=425
Assign V_f
V_{f}≔425
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V_{f}=1000\times 0.085\times 5
Multiply 1000 and 1 to get 1000.
V_{f}=85\times 5
Multiply 1000 and 0.085 to get 85.
V_{f}=425
Multiply 85 and 5 to get 425.
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