He needs 3 1/4 more yards of fabric because 5.5 - 2.25 = 3.25
The nearest hole number would be 4 , if it is .5 and above then it gets rounded up to the next number and if it is .4 or less that you round it to the whole number
Not sure but try 54 degrees
Thousa<u>nds</u> = three zeros after the comma (not a decimal)
18 thousands = 18 × 1,000
18,000