diamondpositive68
06.09.2021 •
Mathematics
A can do a work in 35 days while B can do the same work in 140 days. What percentage of the work will be done in 14 days if they work together?
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Ответ:
½
Step-by-step explanation:
Amount of work A can do in a day: 1/35
Amount of work B can do in a day: 1/140
Amount of work A can do in 14 days: 1/35×14=⅖
Amount of work B can do in 14 days: 1/140x14=1/10
Total amount of work done in 14 days= ⅖+1/10=½
Ответ:
The height of the prism would be 1.25 cm