Wingard-Nelson, Rebecca. Ace your math test

Includes index

Ratios -- Equivalent ratios -- Reducing ratios -- Rates -- Ratios, fractions, and decimals -- Unit ratios and rates -- The better buy -- Distance, rate, and time -- Proportions -- Solving proportions -- Ratios in geometry -- Scale models -- Alternate proportions -- Percents -- Fractions, decimals, and percents -- Percents and proportions -- The percent equation -- Percents over 100% -- Finding a percentage -- Finding a whole -- Percent of change -- Sales tax and discounts -- Tips -- Simple interest

"Learn about percents and ratios, including how to tell what's a better purchase, figuring out sales tax and discounts and appropriate tips"--

750L