Mathematics · Time and Work
X men can complete a work in Y days, and Y women can complete the same work in X days. If 20 men and 16 women working together can complete this work in 53 1 3 days, and 20 men and 24 women started working together for 0.6D days, after which B boys completed the remaining work in 0.45D days (where B boys can complete the entire work in D days), what is the value of D?
- 145
- 236
- 340✓
- 442
Correct answer
40
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