Solve for a 3a+9 = 18 * a = 5 a = 10 a = 3 None of the above
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Using the together rate, it is found that if Mrs Adams camps alone, she will use all the water in 24 hours.
<h3>What is the together rate?</h3>The together rate is the sum of each separate rate.
In this problem, the rates are:
- Together: 1/8.
- Mr Adam: 1/12.
- Mrs Adams: 1/x.
Hence:
If Mrs Adams camps alone, she will use all the water in 24 hours.
More can be learned about the together rate at brainly.com/question/25159431