The top three countries in oil consumption in a certain year are as follows: the united states, china, and japan. in millions of barrels per day, the three top countries consumed 32.2 million barrels of the world’s oil. the united states consumes 12 million more barrels a day than china. china consumes 3.2 million barrels a day than japan. how many barrels of the world oil consumption did the united states, japan, and china consume?