Concept explainers
To find: Which of the following rational equations can be solved for the number of minutes t it would take them to mow the lawn working together.
Answer to Problem 1STP
Correct option is (C)
Explanation of Solution
Given information:
Greg’s father can mow a lawn on his riding mower in 45 minutes and it takes Greg 1 hour 45 minute that is 105 minute to mow the lawn with a push mower.
Calculation:
Since, Greg’s father can mow a lawn on his riding mower in 45 minutes. Therefore,
The rate for Greg’s father is
Also, it takes Greg 1 hour 45 minute that is 105 minute to mow the lawn with a push mower.
The rate for Greg is
Let they take
The combined rate is
Thus,
Hence,
Correct option is (C)
Chapter 8 Solutions
Glencoe Algebra 2 Student Edition C2014
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