This document provides a pre-algebra chapter review with 11 multi-step word problems involving proportions, percentages, discounts, tips, taxes, and interest. The problems cover calculating percentages of quantities, using proportions to solve for unknown values, computing discounts, sales taxes, tips, and simple interest earned over time.

1. Pre-Algebra Name: _______________________________
Chapter 9 Review (Pre Test) Date: _____________ Pd: ______
PART I - Solve the Proportion (show all work):
2 0.8 5 2
1) = 2) =
3 x 2a 4
Use the percent proportion to solve each problem.
3) What is 120% of 50?
4) Nineteen is what percent of 25?
The results of a survey on dessert preferences are shown in the table below.
Dessert Number
Cheesecake 7
Chocolate Cake 48
Apple Pie 37
Ice Cream 18
5) How many of the 459 cafeteria customers would choose apple pie? Use a proportion.
6) If you asked 500 people which of these desserts they prefer, how many would choose
cheesecake? Use a proportion.
7) State whether each change is a percent of increase or decrease. Then find the change to
the nearest whole percent.
a) Bob’s favorite baseball card was worth $84 in 2005. Today it is worth $118.
b) Today, Frank weighs 185lbs. One year ago, when he started his diet he weighed
210lbs.

2. PART II – REAL WORLD APPLICATIONS
8) Nordstrom is having a 20% sale on the sequin UGGs that regularly cost $170.
A. What is the amount of discount?
B. What is the sales price after discount?
9) The price for your meal was $50.00 and you would like to leave a 15% tip for the
waitress. What is the price of the dinner with tip?
10) Tom bought a game for $59.99 at GameStop. What is the final cost of the game after a
6% sales tax?
11) Jan deposited $500 into an investment account. The account’s rate was 5.5% over 6
months. Apply the simple interest formula (I=Prt) to find out:
a) How much annual interest did Jan receive?
b) After one year with the account how much total money does she have?