5.5 gallons per 15 feet of 3-inch pipe.
24 inch pipe.
It is 47.1 inches.
61.2 gallons for every 15 feet.
Someone can purchase a Macbook Pro 15 inch on Best Buy's website and it is also available for purchase from Apple. Out of the two stores, Best Buy seems to have the best prices.
You can buy wire pipe screens at Naptownkid. They offer brass screens in a variety of sizes. Their site is at: http://naptownkid.com/index.php?main_page=index&cPath=15&gclid=CO7__9L9hqACFRFRagodoFsaXg
One can buy 15 inch wheels online at many stores that deal with cars, tires, car parts, and etc. One would be Hubcap, tire & wheels, this website can sell you many parts of cars such as 15 inch wheels. Another is Wheelfire, you can tell them your car model and they'll find what's best for you.
14 inch wheels fir 14 inch tires, 15 inch wheels fit 15 inch tires. The difference is 1 inch.
pi*D So pi*15 here. If you've a scientific calculator (or set the calculator probably in your computer in "Accessories" somewhere, to 'Scientific'), it will have a pi key. But do you mean the circumference of the 15" dimension or is that pipe bore but you want the outside circumference? If the latter you'd need its outside diameter - there will be an appreciable difference!
One can purchase a 15 inch LCD computer monitor from Best Buy, Staples, Tiger Direct, or PC Liquidations. If one has a specific model in mind such as HP or Dell, one can go directly to the companies website. They usually sell directly to the public.
TF-15
New tires with the size 15 inch will fit 15 inch rims perfectly.