Mathematics · Time and Work
X can complete 1/4 of a work in 3 days and Y can complete 1/6 of the same work in 4 days. X and Y worked together for 6 days, and Z alone completed the remaining work in 8 days. If Y and Z work together, how much time will they take to complete the same work?
- 112 days
- 213 5/7 days✓
- 310 days
- 49 1/7 days
Correct answer
13 5/7 days
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