Math Problem Statement
Travelling a distance of 105 km in 6 hours 5 min, a car takes 4 halts and travels with 5 different speeds Sl , S2, S3, S4, S5 (all in km/hr) for one hour each. S5 is 15 more than square of Sl , S3 is half of S5, S4 is twice the sum of Sl and S2, and S2 is half of S3. It takes total 5 hours to travel the same distance without any halt. How many hours will it take to travel with S5 without any halt? A. 4 hours B. 105/30 C. 105/40 D. 105/35
Solution
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Math Problem Analysis
Mathematical Concepts
Speed, Distance, Time Relationships
Quadratic Equations
Formulas
Time = Distance / Speed
Theorems
-
Suitable Grade Level
Grades 9-12
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