Last year, pinwheel industries introduced a new toy. it cost $9800 to develop the toy and $25 to manufacture each toy. find the linear equation which correctly relates the total cost c, and the number of toys n

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field