Afactory makes rectangular sheets of cardboard, each with an area of 212 square feet. each sheet of cardboard can be cut into smaller pieces of cardboard measuring 16 square feet. how many smaller pieces of cardboard does each sheet of cardboard provide?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

3.4a=57.8 what is the the value of a