A jet travels 3950 miles from Chicago to London and then returns. The total flying time for the roundtrip is 16.5 hours. The ret
1 answer:
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Answer:
Option C is correct.
Step-by-step explanation:
Given Equation:
To find: Solution of the Equation.
Consider,
b² = 0 ⇒ b = 0
b - 4 = 0 ⇒ b = 4
Therefore, Option C is correct.