
Thickness of the book is ~
Refer to the attachment for solution ~
31 out of 50 is
62%Divide 31 over 50:

Multiply 0.62 and 100. This will convert the decimal to a percentage:
Answer:
7.5
Step-by-step explanation:
5/6=x/9
cross multiply
6x=45
x=45/6
x=7 3/6 = 7 1/2 = 7.5
Answer:
1.28
Step-by-step explanation:
I did the math.