Answer:
Using the eliminiation method or the substitution method.
all you have to do is add 2.09 to itself until it gets to 22.5
2.09 x 10 = 20.9
2.09 x 11 = 22.99
so, 2.09 goes into 22.5 ten times
The answer is b because all you have to do is just subtract if I am wrong so sorry
