Question

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?

Answer 1

Total expenses for n Scarf = 7n + 12  $

Step-by-step explanation:

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

9 75

10 82

Graph attached

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