Ratios and Unit Rates
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- Writing an Equation to Represent a Proportional Relationship
- Using a Table of Equivalent Ratios to Find a Missing Quantity in a Ratio
- Finding Missing Values in a Table of Equivalent Ratios
- Function Tables with One-Step Rules
- Solving a One-Step Word Problem Using the Formula d = rt
- Solving a Word Problem on Proportions Using a Unit Rate
- Word Problem on Unit Rates Associated with Ratios of Whole Numbers: Decimal Answers
- Computing Unit Prices to Find the Better Buy
- Using Tables to Compare Ratios
- Finding a Unit Price
- Simplifying a Ratio of Decimals
- Simplifying a Ratio of Whole Numbers: Problem Type 1
- Identifying Statements that Describe a Ratio
- Writing Ratios for Real-World Situations
- Writing Ratios Using Different Notations
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Word Problem on Unit Rates Associated with Ratios of Whole Numbers: Decimal Answers
Word Problem on Unit Rates Associated with Ratios of Whole Numbers: Decimal Answers
A candy factory used 6 gallons of syrup to make 5 batches of candy. What is the rate of syrup used in gallons per batch?
Solution
Step 1:
Quantity of syrup used = 6 gallons
Number of candies made = 5 batches
Step 2:
Rate of syrup used = $frac{6}{5} = 1.2$ gallons per batch
It took a pet store 9 weeks to sell 19 pounds of cat food. What is the rate of cat food sold in pounds per week?
Solution
Step 1:
Quantity of cat food sold = 19 pounds
Number of weeks taken = 9 weeks
Step 2:
Rate of cat food sold = $frac{19}{9} = 2.11$ pounds per week
A machine worked for 4 hours and used 5 kilowatts of electricity. What is the rate of energy consumed in kilowatts per hour?
Solution
Step 1:
Quantity of energy consumed = 5 kilowatts
Number of hours = 4 hours
Step 2:
Rate of energy consumption = $frac{5}{4} = 1.25$ kilowatts per hour