Please help me on this problem and explain it step by step on how I could get the answer in order to get marked as brainliest!

Answer:
to find the speed per min all i did was divide 450 feet by 60 mins b/c that's how many mins are in an hour and that give me 7.5 so that would be 7.5 feet per min
Step-by-step explanation:
Answer:
589.6 feet per minute
Step-by-step explanation:
half an hour is 30 minutes, you would then divide 450/30=15 which that total will be your speed or mph, then you multiply 88*15=589.6