Solve the problem.Joanie drives a truck for the local trucking company in Seattle and earns $40 per hour. On one particular trip, she leaves Seattle at 6 a.m. and travels 120 miles to the warehouse. At the warehouse, she waits for 4 hours for her truck to be loaded and then returns to Seattle. She estimates that she can travel at an average speed of 60 miles per hour. Use the formula 
to determine how much money Joanie expects to earn from her trip if she includes the time she waits for the truck to be loaded.
A. $320
B. $80
C. $240
D. $160
Answer: A
Mathematics
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