Step-by-step explanation:
According to this description we need a number that can be divided by 2,3 and 4 since the amount of rocks can be described by a natural number. However if a number is divided by 4 it is divided by 2 as well since 2*2=4.

If α is a natural number then 2*α is a natural number as well as the product of two natural numbers.
Which means that we need a number devided by 3 and 4.
The smallest number that fulfills this demand is 3*4=12.
Also any product of 12 with any natural number can be devided by 3, 4 and 2.
If the exercise asks for the numbers that are divided only by 2,3 and 4 these are:

Answer:
a/8 or a over 8 hope this helps
Step-by-step explanation:
Answer:
no association
Step-by-step explanation:
hope this helps I'm pretty sure this is right
Answer:
17%
Step-by-step explanation:
(244530—209000)/209000*100%=17%
Answer:

Step-by-step explanation: