We are given with an 18 student class that is working a project worked by pairs. Each pair works on a project. In this case, there are 9 teams of 2 individuals working on a single project. Hence for a year or school year, there are 9 projects accomplished each time.
What? I have an idea of what your saying but i'm not positive. Can you explain better please?
160/55.
Simplified version is 32/11
Answer:c
Step-by-step explanation:
2a because with 18a and 20ab they both have "a" in common and they are even thus multiples of 2 leaving you with 2a(9,10b)