Answer:
D
Step-by-step explanation:
The sides of the frame are (12+2x) and (6+2x).
Its area A is 112.
Therefore by equating:
(12+2x)*(6+2x)=112
you can get the answer for x. You will obtain a quadratic equation you have to solve.
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Answer:
The driving time at 54 miles per hour is 37.04 hours.
Step-by-step explanation: