On a cross-country bicycle trip, participants ride about 75 miles per day. Approximately how many days, d, must they ride to travel at least 4,325 miles?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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On a cross-country bicycle trip, participants ride about 75 miles per day. Approximately how many days, d, must they ride to travel at least 4,325 miles?

Part A

Which inequality represents the situation?
  •  
    d75≤4,325d75≤4,325
  •  
    d75≥4,325d75≥4,325
  •  
    75d≤4,32575d≤4,325
  •  
    75d≥4,325
Part B

What does the solution to the inequality represent in this situation?
 
1. A participant must ride at least 57 days to travel 4,325 miles
 
2. A participant must ride at least 58 days to travel 4,325 miles.
 
3. A participant must ride at least 59 days to travel 4,325 miles.
 
 
4. A participant must ride at least 60 days to travel 4,325 miles.
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