10. Five people can finish painting a wall in 6 hours. If only
3 people are available, how many hours do they need to
finish the same job?
ASCO
A. 4 hrs B. 6 hrs C. 8 hrs D. 10 hrs
3 people are available, how many hours do they need to
finish the same job?
ASCO
A. 4 hrs B. 6 hrs C. 8 hrs D. 10 hrs
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Answer:
Five people can finish painting a wall in 6 hours. If only 3 people are available, how many hours do they need to finish the same job?
A. 4 hrs
B. 6 hrs
C. 8 hrs
D. 10 hrs
✓ We can apply the problem into a proportion to find the unknown value of hour.
✓ We know that the relationship is inverse or indirectly proportional. Thus, when the number of workers decrease, it'll take them more time to finish the job.
✓ The answer is 10 hours.
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