assuming efficiency of each man to dig trench, in one day, for one hour is constant,
so one man, working for one hour in one day can dig 1.5 m
so 8 men, working 3 hours a day and will take, say $d$ number of days and efficiency will be constant. so,
$\frac32=\frac{220}{8\times3\times d}$
$\implies d=\frac{55}9=6.12$
Answer:
The Treaty of Paris
Explanation:
the British Crown formally recognized American independence and ceded most of its territory east of the Mississippi River to the United States, doubling the size of the new nation and paving the way for westward expansion
Answer:
Freedom of faith was a big motivation for the English. In 1620, a group of settlers left England to seek the New World. Many were separatists, who believed the Church of England was dishonorable. By seeking out the New World, they were trying to break away and worship their own faith.
Explanation:
A. city blocks laid out in a grid pattern.
C. a standardized system of weights and measures
The houses were built with stones and bricks, and some of the houses were multi-level, so B is not a feature of the ancient Indus cities.
B because they were the suing the school board
