6) Set up and explain the equation to answer the question below. Explain the answer to the nearest tenth of a percent if necessary.

86 is what percent of 124?

7) Find the percentage change. Round to the nearest tenth of a percent if necessary and state whether the change is an increase or a decrease.

From 35 m to 43 m

8) Find the final price of the item below, given that the tax will be applied to the discounted price.

Original price of a tie: $34.50

Discount: 42%

Tax: 2%

9) Use simple interest to find the ending balance, given the following values for principal, rate, and time.

$210 at 15% for 9 years

10) Solve the equation given in

3n + 4 = -2