Mayra has 3 cats. Luis has twice as many cats as Mayra.
Write an expression for the number of cats Luis has:
Write an expression for the number of cats Luis and Mayra have together:
2. Each cat eats about ½ cup of cat food a day.
Write an expression for the amount of cat food all the cats eat in one day:
Write an expression for the amount of cat food all the cats eat in one week:
