Answer:
3/11
Step-by-step explanation:
Divide both the numerator and denominator by 2.

Hi there! The answer is 210 pages.
We can find our answer by looking at the proportions:
20 % is 42 pages.
10 % is 21 pages (42 / 2).
100% is 210 pages. (21 × 10).
Answer:
5!
Step-by-step explanation:
take algebra book. it can be placed first or 2nd or 3rd or 4th or last. so 5 different ways. but geometry book will be arranged in 4 ways, since algebra book is already arranged.

5!/0!= 5! = 120
The length is: 42 inches
The width is : 21 inches
Answer:
0
Step-by-step explanation:
First, in order to subtract these fractions, we need the denominators to be the same number.
4/8 x 2 = 8/16
1/2 x 8 = 8/16
8/16 - 8/16 = 0. The doctor does not need any Robitussin at all