The way is see the problem causes the answer to be 27x<span />
1 ft = 12 inches
therefore, 15 inches is more then 1 ft
The value of 8 is Hundred Thousand
To find the percent you take 18 and divide it by 48, so you get 9/24 or 3/8, by using calculator you get .375 which is 37.5% then you multiply by 100 to convert a decimal to a percentage.