Pasta Salad With Tuna with shrimp

1/2 lb rotini noodles 1/2 lb bow tie pasta 1 (4 ounce) can baby shrimp 1/2 cup diced red onion 1/2 cup diced green pepper 4 tablespoons white vinegar 1/2[...]

1 lb medium shrimp , cooked and peeled 4 cups cooked medium pasta shells 2 cups chopped plum tomatoes 1/2 cup chopped green pepper 1/3 cup fresh lemon juice[...]