18 divided by 4 this equals 4 with a remainder of 2 so i guess the 2 go in another row
10 percent is the same as saying 0.10 so we simply do this sum of all parts approach.
You should get an answer a bit over 15000 if you plug it into your calculator. Remember, you are taxing a certain amount of dollars at each percentage so don't get hung up on the structure of the taxes. This is why we are subtracting the smaller number from the bigger
Answer: O 2 units left and 3 units down
1st he should have found the GCF of 60
2nd he should have found the GCF of 90,
the GCF of 30 = 2x3x5
the GCF of 90 = 2x3²x5
So the GCF of 60 and 90 is 2x3x5 = 30