Karla's doctor recommended her daily caffeine intake stay under 400 milligrams. Today, Karla has already had 265 milligrams of c
affeine. Her favorite soda contains 45 milligrams. Which of the following inequalities could be used to solve for x, the number of sodas Karla can still have today? 45x < 665
45x + 265 < 400
45x < 400
45x - 265 < 400