Mathematics · Work and Time
P and Q together can complete a work in 20 days. Q is 20% more efficient than R, who can complete 40% of the work in 24 days. Approximately in how many days will P and R together complete 38 of the work?
- 18 days✓
- 29 days
- 36 days
- 410 days
Correct answer
8 days
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