91Ó°ÊÓ

The original price of a phone is \(\$ 199\). If it is marked down \(32 \%\), find the sale price.

If the eye of a person standing on the deck of a boat is 12 ft above the surface of the water, find the distance of the person to the horizon. Round to the nearest tenth.

The regular price of a 14 -piece cookware set is \(\$ 728\). It is on sale at a discount of \(35 \%\). The sales tax is \(6.5 \%\). Find the final cost of the cookware including tax. Round to the nearest hundredth.

The regular price of an elliptical trainer is \(\$ 899.99\). It is marked down \(18 \%\). The sales tax is \(7.4 \%\). Find the final cost of the elliptical trainer including tax. Round to the nearest hundredth.

The regular price of a portable GPS vehicle navigator is \(\$ 499.99\). The sale price is \(\$ 389.99\). Find the percent discount. Round to the nearest percent.

A bookstore bought a used book from a student for \(\$ 20\). It then resold the book as a used book for \(\$ 85\). Find the percent markup.

\(3-4 \cdot 2+9\)

\(-15-(3-8)\)

Rewrite \(0.97\) as a percent.

Problem: Complete the "Understand the problem," "Make a plan," and "Complete the plan" steps. A 20 -acre field is going to be divided into building lots. The area of each lot is \(\frac{2}{5}\) acre. Find the number of lots in the development. Incorrect Answer: The unknown is the number of lots: \(L\) = number of lots. To find the number of lots, multiply the area by the number of lots. $$ \begin{aligned} &L=\left(\frac{2}{5}\right)(20) \\ &L=8 \text { lots } \end{aligned} $$