Final answer:
To determine the best deal on spaghetti sauce, we calculate the unit price by dividing the total price by the number of ounces in each jar. Prego has a lower unit price than Ragu, making it the better deal.
Step-by-step explanation:
To determine which spaghetti sauce is the best deal, we need to calculate the unit price of each brand. The unit price is the price per ounce. To find the unit price, we divide the total price by the number of ounces in each jar.
For Prego: unit price = $3.84 / 12 ounces = $0.32 per ounce.
For Ragu: unit price = $3.06 / 9 ounces = $0.34 per ounce.
Comparing the unit prices, we can see that Prego is the better deal as it has a lower unit price.