Answer:
1/10
Step-by-step explanation:
Since 10 people went somewhere over the summer that is 1/2 of the class.
But going over the whole class 2/20 people went to the beach. Simplified that is 1/10
The answer to your question is 135 degrees. You take 180-45=135
That looks great! But say you chose number 2. You could say you organized it by multiplying single packs by the pieces of packs.
