To choose : how long would it take them if they worked together
Answer to Problem 41HP
The correct answer is J 2.73 hours.
Explanation of Solution
Given information :
Dato can dig a 10-f00t by 10- foot hole in five hours.
Pedro can dig the same hole in six hours.
1 represent the whole work.
Dato can dig one work in 5 hours
Dato can dig one work in 1 hour
Pedro can dig one work in 6 hours
Pedro can dig one work in 1 hours
They worked together. Time would take them
Hence, the correct answer isJ2.73 hours.
Chapter 9 Solutions
Algebra 2
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