A superhero tailor has 2200 feet (ft of fabric available to make a number of different capes and tights. Each cape requires 6 ft of fabric and will make the tailor a profit of $4.
Each pair of tights requires 10 ft of fabric and will make the tailor a profit of $3. The tailor wants to guarantee that at least 60 capes y, and 140 pairs of tights, x, are made, to ensure a diversified line of clothes to sell.