dos. individuos pueden surcar sus tierras respectivamente en 4 horas y 6 horas cada uno. se unen para hacer el. trabajo de surcar sus 2000 acres. determina el tiempo que le. tomara a ambos si trabajan juntos para lograrlo​

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