Level:
Project ID:
2010013503
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Four seamstresses sew doll dresses in a sheltered workshop. During the six-hour working hours, the first seamstress sewed \(4\) dresses, the second \(5\), the third \(7\) and the fourth \(4\) dresses. What was the average time needed to sew one dress on this day?
\( 1\,\mathrm{h}\ 12\,\mathrm{min} \)
\( 1\,\mathrm{h}\ 20\,\mathrm{min} \)
\( 1\,\mathrm{h}\ 10\,\mathrm{min} \)
\( 1\,\mathrm{h}\ 24\,\mathrm{min} \)