Dividing Fractions/Whole Numbers

Isabela had 1/4 of her birthday cake to share with 3 of her friends. How much of the cake will each friend get?

Leo bought 6 bags of dog food. If he feeds his dog 1/8 of the bag of food each day, how many days will the 6 bags last?

The owner of a taco stand used 1/5 gallon of sour cream to make 12 salsas. He used the same amount of sour cream in each salsa. How much sour cream in gallons was used in each salsa?

Sonic's cook used 1/3 cup of vanilla ice cream to make 18 milkshakes. He used the same amount of vanilla ice cream in each milkshake. How much vanilla ice cream in cups was used in each milkshake?