A corner lot has dimensions 35 yards by 30 yards. The city plans to take a strip of uniform width along the two sides bordering the streets to widen these roads. How wide should the strip be if the remainder of the long has an area of 864 square yards?

Question

A corner lot has dimensions 35 yards by 30 yards.  The city plans to take a strip of uniform width along the two sides bordering the streets to widen these roads.  How wide should the strip be if the remainder of the long has an area of 864 square yards?

anonymous · Answer

|dw:1318897276664:dw|Find an expression for the new area in terms of x.  Set that equal to the new area.  Solve for x.  Only one answer will make sense.