Walter needs 40 feet of cable to help secure the backyard tree house that he made for his family. Store A sells the cable for $1.10 per foot. Store B sells the cable for $3.06 per
yard. From which store should Walter buy the cable and how much will he save by
buying it from that store?

Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.