15 for 1.79 is better as it is about 0.12 each, whereas 12 for 1.49 is about 0.124 each.
It is better to buy a 10oz box of cereal for 2.79 instead of a 13oz box for 3.99 because you are getting more ounces for your money.
35.40/12 = 2.95 and 18.72/6 = 3.12 So the better buy is 35.40 for a dozen
12
The price of gold is constantly changing, but as of 3:00 PM (EST) on August 4th, 2010, the price of gold is $1195.46 USD per ounce, which means that $10,000 could buy 8.365 ounces (0.237 kg) of gold.
Without doing calculations it should be seen that Food Mart has more for less. So Food mart would have the best buy.
The second one.
1.80 for 12 ounces is 1.50 per ounce is the better buy. 3.20 for 20 ounces is 1.60 per ounce.
24 ounces in terms of cost per ounce but 16 ounces in terms of absolute price.
There are 128 fluid ounces per gallon. So a two gallon can of paint has 256 ounces. Looks like the 270 ounce can is a better buy.
Find out how much each ounce costs (3.99 / 24) vs. (5.94 / 35); whichever costs least by the ounce is a better deal.
They help you understand prices. In real life, if you want to buy water, but there are two different prices of water, one for 3 ounces, and the other for like 4 ounces, you have to use porportions to see which is the better buy
There is actually a Kindle Fire on Amazon for cheaper than 149. See the related link below.
It is better to buy a 10oz box of cereal for 2.79 instead of a 13oz box for 3.99 because you are getting more ounces for your money.
No,in fact you have to buy it for 149 stardollars.
I bought it at Christmas for $149 at Best Buy
The question cannot be answered because there is no information on the price. There is also no information on what it is you are buying: you would be foolish to buy 42 ounces of something like saffron, for example, because it would have lost most of its essential oils and flavour by the time you got round to using it. It would also cost a small fortune!
There are 16 ounces in a pound. Sixty-four Ounces divided by 16 ounces (one pound) equals four. You bought four pounds of grapes.