QUESTION A
The total number of bottles Ella collected is

The number of bottles that are plastic is

The percentage of bottles that are plastic is




Therefore 38% of the bottles are plastic.
QUESTION B
The total number of bottles that are glass is

The total number of bottles Ella collected is

The percentage of bottles that is glass is




Therefore 62% of the bottles are glass
7 in 7,000 in 7,869. Hope this helps!
Answer:

Step-by-step explanation:
The given sequence is:

The first term of this sequence is

There is a common difference of d=½
The recursive formula is:

We substitute the common difference to get:
