In a certain country, people own a total of about 349 million fish, cats, and dogs as pets. the number of fish owned is 13 million more than the total number of cats and dogs owned, and 12 million more cats are owned than dogs. how many of each type of pet do people in this country own?
the number of fish owned by people in this country is million, the number of cats owned by people is million, the number of dogs owned by people is __ million.

the total number of restaurant-purchased meals that the average person will eat in a restaurant, in a car, or at home in a year is 171. the total number of these meals eaten in a car or at home exceeds the number eaten in a restaurant by 15. twenty more restaurant-purchased meals will be eaten in a restaurant than at home. find the number of restaurant-purchased meals eaten in a restaurant, the number eaten in a car, and the number eaten at home.
of the restaurant-purchased meals will be eaten in a restaurant.
of the restaurant-purchased meals will be eaten in a car.
of the restaurant-purchased meals will be eaten at home.

the top three corn producers in the world - country a, country b, and country c - grew a total of about 679 million metric tons (mt) of corn in 2014. the country a produced 53 million mt more than the combined production of country b and country c. country b produced 119 million mt more than country c. find the number of metric tons of corn produced by each country.  
the country a produced
million mt of corn, the country b produced
million mt of corn, and the country c produced
million mt of corn.