First you ask yourself, can 8 go into 1? The answer is no. Can 8 go into 12? Yes, 1 time. So you put 1 on top of the 2 and subtract 8 from 12. That gives you 4. Then you pull down the 8 from 128 and ask how many times can 8 go into 48? The answer is 6. So your answer is 16. Hope I helped!
The percentage of birds in the zoo will be 15%
Number one, is 430 divided by 18. 430/18 = 23.8888889 = rounding the number should make 23.4