Question

Show work and explain. Which is better: 15 ounces for $1.79 or 12 ounces for $1.49?

Answer 1

Find the prices per ounce by dividing the dollars by the number of ounces:-

1.79 / 15 = 0.1193 dollars  per ounce

1.49 / 12 =  0.1242 dollars per ounce


So the first  one is the better buy.