Answer: Flight instruction costs $105 per hour, and the simulator costs $45 per hour
Chapter 4, Problem 13(choose chapter or problem)
Flight instruction costs $105 per hour, and the simulator costs $45 per hour. Hai-Ling spent 4 more hours in airplane training than in the simulator. If Hai-Ling spent $3870, how much time did he spend training in an airplane and in a simulator?
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