Technically what he did could work, because 2 * 5 can be changed to 5 + 5 which you can get to by counting 5's.
Answer:
12(1+3)
Step-by-step explanation:
gcf: 12
12/12=1
36/12=3
Answer: 2
Step-by-step explanation: You round up when the number is 5 or higher. In this case since it’s 1.9, you can just round to 2
The answer will be close to 470 1/2
