What is 12 plus another 12

Tous les samedis, paul comme caissier à la pizzeria. a. travaillent b. travaillé c. a travaillé d. travaillait

Translate the following to french: hello class! my name is macy. i am twelve years old, and i am from the united states. i have brown hair and green eyes. i am funny and smart. i enjoy dancing and skiing. !

Iwant to make sure im right on this one, the 'manger' should be 'mange' in this sentence right? "je manger la pizza."