Math  /  Algebra

QuestionAlice can wash and wax her car in 3 hour and 30 minutes. If Bernice helped her, Alice could do the job in 2 hours. How long would it take Bernice working alone?

Studdy Solution
Determine the time it would take Bernice to complete the job alone by taking the reciprocal of her work rate: Time for Bernice=1 job314 jobs per hour=143 hours\text{Time for Bernice} = \frac{1 \text{ job}}{\frac{3}{14} \text{ jobs per hour}} = \frac{14}{3} \text{ hours} 1434.67 hours4 hours and 40 minutes\frac{14}{3} \approx 4.67 \text{ hours} \approx 4 \text{ hours and 40 minutes}
The time it would take Bernice to complete the job alone is approximately 4 hours and 40 minutes.

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