A 250 g pack of one coffee costs 4.50 dollars and a 400 g pack of the same coffee costs 6.80 dollars. Which best-buy statements are true? Select all that apply.
The 250 g pack costs 1.80 dollars per 100 g.✓Bonne réponse
The 400 g pack costs 1.70 dollars per 100 g.✓Bonne réponse
The 400 g pack is the better buy.✓Bonne réponse
The 250 g pack is best because 4.50 dollars is lower.
The price difference alone proves which pack has better value.
Explication
The smaller pack costs 1.80 dollars per 100 g and the larger pack costs 1.70 dollars per 100 g, making the larger pack better value. The smaller checkout price alone is not enough because the package masses differ.