Surgery is in need in 4 out of every 10 hospital if a hospital had 840 emergency room visits in the past month, how many of these visits would require surgery?

How do i solve 2 * = 66

The panthers team won exactly 2 of its first 9 games. while winning all its remaining "n" games, the panthers ended with victories exactly half of the games it played. what number does "n" represent?

What 1/6 divided by 5

How do you solve this problem - 3/5 (x) = -12

The length of a rectangle is four times its width. If the perimeter of the rectangle is 60 ft, find its length and width.

A roller coaster can take 162 passenger around the track in 9 minutes. The roller coaster operates at a constant rate. How many passenger can the roller coaster take around the track per minute?

Find the slope of the line y=5x+4

There is a total of 270 men, women and children on a train. The ratio of men to women is 4 : 5. The ratio of women to children is 10 : 9. How many men are on the train?

1/3 (6x-15) = 1/2 (10x-4) solve for x

Find the center of a uniformly solid cone of base diameter 2a and height h