which of the following is true? which of the following is true? in the us and the uk, ultra-processed foods tend to be more expensive than non-processed foods. in the uk, ultra-processed foods tend to be less expensive than non-processed foods, but the opposite is true in the us. in the us, ultra-processed foods tend to be less expensive than non-processed foods, but the opposite is true in the uk. in the us and the uk, ultra-processed foods tend to be less expensive than non-processed foods.