Sara and her friends are knitting scarves for a school fundraiser.
They estimate that they will have fixed expenses of $12.
In addition, they will spend $7 on yarn for each scarf.
Which graph shows the total expenses, E , for n scarves?
Answers
Given : Sara and her friends are knitting scarves for a school fundraiser fixed expenses of $12 and $7 on yarn for each scarf.
To find : The graph which shows the total expenses for n scarves
Solution:
Fixed Expense = $12
spend $7 on yarn for each scarf.
Spend for n Scarf = n * 7 $
Total expenses for n Scarf = 7n + 12 $
Scarf Expenses
0 12
1 19
2 26
3 33
4 40
5 47
6 54
7 61
8 68
GRAPH B Shows the total expenses for n Scarves
Also Graph attached
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