Concept explainers
To find: the distance run by L.
Answer to Problem 16CR
The correct option is b.
Explanation of Solution
Given information:
L goes to lake at a speed of 10 mi/h and back to home at a speed of 8 mi/h.
Total time taken by L is 27 min.
Given options are
- 0.4 mi
- 4 mi
- 4.5 mi
- 2.4 mi
Calculation:
Consider the distance run by L be
Distance from home to lake will be
The formula for distance speed is
The equation will be
Solve the above equation as shown:
Hence, the distance run by her will be 4 mi.
The correct option is b.
Chapter 4 Solutions
Algebra: Structure And Method, Book 1
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