What percent of the total calories in each brownie comes from fat?
Solution Exercise 6.43: Veronica is planning to make muffins from a mix.
Example 6.23: In 2011, the California governor proposed raising community college fees from $26 per unit to $36 per unit. (Round to the nearest tenth of a percent.) Solution Finding the percent decrease is very similar to finding the percent increase, but now the amount of decrease is the difference between the original amount and the final amount. Exercise 6.47: The population of one city was about 672,000 in 2010.
Then we find what percent the amount of decrease is of the original amount. Solution The average price of a gallon of gas in one city in June 2014 was $3.71. The population of the city is projected to be about 630,000 in 2020. (Round to the nearest tenth of a percent.) (a) After completing the exercises, use this checklist to evaluate your mastery of the objectives of this section.
We'll look at a common application of percent—tips to a server at a restaurant—to see how to set up a basic percent application. To solve this, we want to find what Many applications of percent occur in our daily lives, such as tips, sales tax, discount, and interest.
When Aolani and her friends ate dinner at a restaurant, the bill came to . To solve these applications we'll translate to a basic percent equation, just like those we solved in the previous examples in this section.
As you guide your child you should also take the opportunity to explain the importance and relevance of percentage calculations: pay rises, allowance rises, interest rates, discounts on sale items etc. You can practice calculating percentages by first finding 1% (and/ or finding 10%) and then multiplying to get your final answer using this Calculating Percentages in Two Steps Worksheet.
Learning is always improved when the relevance of what is being learned is appreciated. There are also more percentage worksheets here too.
Percentage problems usually work off of some version of the sentence "(this) is (some percentage) of (that)", which translates to "(this) = (some decimal) × (that)".
You will be given two of the values, or at least enough information that you can figure two of them out.