Answer:
The interest is $35 so it ends up costing her $70
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have to find the derivative of the following function:
Now, differentiating both sides with respect to x we get,
⇒
(Answer)
{Since, we know that,
and
}
35 in. because a pentagon has 5 sides and have to divide the total amount of yarn to the sides.