admin PopIt Popcorn sells popcorn in three different sizes: small (400g) for $5, medium (600g) for $7.20 and large (750g) for $8.25. What is the cheapest way that Harold can buy 4kg of popcorn? A: 36.7 B: 42.5 C: 39.6 D: 45.2
BB23 The cheapest way to buy 4kg = 4 Large + 1 medium + 1 small = (4 x 8.25) + (7.20 x 1) + (5 x 1) = 45.2