Question

Keiko paid $12.24 for a $6.35-kg bag of food.A few weeks later, she paid $13.99 for 7.48-kg bag at a different store.Find the unit price for each bag. Then stay which bag is which .

Answer 1

1kg of the $12.24 dog food costs 12.24/6.35 =$1.927559055 = $1.93

1kg of the $13.99 dog food costs 13.99/7.48 = $1.87

so it is better to buy the $7.48kg bag dog food because 1kg