we know 1.9375 is the 100%, what is 3.8 off of it in percentage?

let's notice that 3.8 is about twice as much as 1.9375.
We need a picture of the problem... then we can help you.
The answer is B) 1/3.
There are 6 faces on a rectangular prism, each of which is a rectangle.
The area of the front and back is given by 25(8) = 200 sq. cm.
The area of the bottom and top is given by 25(4) = 100 sq. cm.
The area of the right and left is given by 4(8) = 32.
There are 2 faces out of 6 with an area that is not a multiple of 100; 2/6 = 1/3.
Answer:
120 minutes
Step-by-step explanation:
1 hour = 60 min
2x = answer
x = 60
2 (60) = 120
Answer = 120 minutes