To get the Greates Common Factor (GCF) of 84 and 210 we need to factor each value first and then we choose all the copies of factors and multiply them:
<span><span>84: 223 7</span><span>210: 2 357</span><span>GCF: 2 3 7</span></span>
<span>The Greates Common Factor (GCF) is: 2 x 3 x 7 = 42</span>
The answer is B because every time Nelson mows a lawn, he will earn $15 each.
Answer:
3 = 12
Step-by-step explanation:
Given:
Lou had r rocks in his collection.
He separated his rocks into 3 equal piles.
He now has 12 rocks in each pile.
<u>Question asked:</u>
Which equation represents this situation?
<u>Solution:</u>
Total number of rocks = 
He separated in number of piles = 3
Each pile contains = 12 rocks
The equation will be :-
3 = 12
Therefore, equation which represents this situation is
3 = 12