Answer:

Step-by-step explanation:
Fro the graph, the first three terms of the sequence are 80,20,5,...
This is a geometric sequence with first term

The common ratio is

The function is given by

We substitute the values we got from the graph into this formula to get:

The correct answer is A
Answer:
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Justin can make 25 scraves with 15 balls of yarn
<h3><u>Solution:</u></h3>
Given that Justin can make one scarve for 3/5 of a ball of yarn
He purchases 15 balls of yarn
<em><u>To find: number of scarves Justin can make</u></em>
Number of scarves Justin can make with 15 balls of yarn can be found out by dividing 15 balls of yarn by 3/5 of a ball of yarn



Thus he can make 25 scraves
Tax is 1.54
Including tax = 39.99
Excluding tax= 38.5
Hope this helps