Word Problems Involving Rates and Ratios

The ratio is to compare two numbers.
Rate is one type of ratio and is used to measure the variety of one thing or quantity in comparison to other.
Word problems involving comparing rates deal with distances, time, rates, wind or water current, money, and age.
A step-by-step guide to solving rates and ratios word problems
To solve the word problems involving rates and ratios, follow these steps:
Step 1: Find the known ratio and the unknown ratio.
Step 2: Write the proportion.
Step 3: Use cross-multiply and solve.
Step 4: Plug the result into the unknown ratio to check the answers.
Word Problems Involving Rates and Ratios – Examples 1
If 11 apple pies cost $88, what will 8 apple pies cost?
Solution:
Write as a rate. \(\frac{88÷11}{11÷11}=\frac{8}{1}\)
Write a proportion to know the cost of 8 apple pies.
\(\frac{8}{1}=\frac{x}{6}→8×6=1×x→x=48\)
Word Problems Involving Rates and Ratios – Examples 2
If 6 cookbooks cost $120, how much would a dozen cookbooks cost?
Solution:
Write as a rate. \(\frac{120÷6}{6÷6}=\frac{20}{1}\)
Write a proportion to know the cost of 12 cookbooks.
\(\frac{20}{1}=\frac{x}{12}→20×12=1×x→x=240\)
Related to This Article
More math articles
- Number Properties Puzzle – Challenge 23
- Full-Length ATI TEAS 7 Math Practice Test
- Graph Points on a Coordinate Plane
- 5th Grade FSA Math Practice Test Questions
- FREE 4th Grade MAP Math Practice Test
- Dollars and Sense: How to Tackle Money Word Problems with Confidence
- The Ultimate 6th Grade Scantron Performance Math Course (+FREE Worksheets)
- How to Differentiate Trigonometric Reciprocals
- 8th Grade MAP Math Worksheets: FREE & Printable
- Full-Length ISEE Middle Level Math Practice Test-Answers and Explanations
What people say about "Word Problems Involving Rates and Ratios - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.