Sandy surveyed the students in his class. He found that 8 of 31 students like writing with pencils rather then pens. If there are 1,381 students in the school, how may prefer writing with a pencil?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.