What is the greatest common factor of 40,10, and 20

GCF or HCF of 40, 10, and 20 is 10

Step-by-step explanation:

First, divide all the numbers by 2.

(40/2, 10/2, 20/2)

The answer would be 20, 5, and 10.

Check which number divides all the numbers completely except 1

(5)

Divide them

(20/5, 5/5, 10/5)

The answers would be 4, 1, 2

There is no number (except 1) that has these numbers in its table of multiplication.

On the left side, the numbers are 2 and 5, multiply them

The final answer is 10.

idk

step-by-step explanation:

if x = 1, then the answer is 3.5