Yes, Isabel is correct. 32 divided by 8 is 4 and 32 divided by 4 is 8.
Explanation: Think of it like a pizza. If you cut it into 4, the the individual slices will be big. But if you keep cutting the pizza to get 10 slices, the individual slices will be small. To apply this on the pizza which do you think would make the bigger slices? 8 cuts or 4 cuts? Logically the answer is 4.