Honestly? Just review your notes and try to work out the problems yourself before taking a look at the answer. You can also google specific topics that the test will cover and try the practice problems.
Answer:
There is an increase of 10%
Step-by-step explanation:
Answer:420%
Step-by-step explanation:
It’s 420% because for already will become 400%. Then 1/5 is 20% as it is. Then 20+400 is 420 which will get you 420%.
