As a general rule, a percentage can be converted to a decimal fraction by dividing the given percentage by 100%.
63 1/3% is equivalent to 190/3% . Dividing this by 100%, we get 190/300, or 19/30.
63 1/3% of 60 is what? To determine this, multiply 60 by 19/30. That comes out to (60)(19)/30, or 2(19), or 38 (answer).
22.05 as a decimal and 22 1/20 as a fraction
All you need to do is divide the number of guests (128) by how many guests can be seated at a table (8) and that will give you how many tables will be needed:
128/8=16
16 tables will be needed to seat 128 guests.
Answer:

Step-by-step explanation:
One way to do this would be to find the circumference of the entire circle and divide it by 4, considering that the arc measure is 90 degrees
The radius is 1, and the circumference can be found by taking 
So, the circumference of this circle is 
Now, all we have to do is divide that by four to get our answer
