Concept explainers
To Find: The time when mother caught two boys.
Answer to Problem 6MPS
Explanation of Solution
Given: At 9:00 AM two boys began hiking at 6 km/h. At 10:30 AM their mother started after them in her car at 60 km/h, bringing a friend join them.
Let after t hours two boys caught by mother.
Case for two boys:
Time taken = t
Speed of two boys = 6 km/h
Total distance covered
Case for mother:
Time taken
Speed of mother car = 60 km/h
Total distance
According to question,
So, After 1 hour 40 minutes she will caught two boys.
Hence, At 10:40 AM
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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