There are 400 million people currently working in Country A. 40 million people are out of a job but still looking for one. 40 million people are out of a job and are not
looking for one.
What is the unemployment rate for Country A?

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !