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Example: Solving a Word Problem about Snowfall
Apply the seven-step problem-solving strategy to find an unknown past value based on a known present value and a comparative phrase.
Problem: Normal yearly snowfall at the local ski resort is inches more than twice the amount it received last season. The normal yearly snowfall is inches. What was the snowfall last season at the ski resort?
Step 1. Read the problem. Step 2. Identify what you are looking for: What was the snowfall last season? Step 3. Name what we are looking for and choose a variable to represent it: Let = the snowfall last season. Step 4. Translate. Restate the problem in one sentence with all the important information: "The normal snowfall is , which is more than twice the amount last year." Translate into an equation: . Step 5. Solve the equation. Subtract from each side: Simplify: Divide each side by two: Simplify: Step 6. Check: Is our answer reasonable? Yes, having inches of snow seems OK. The problem says the normal snowfall is twelve inches more than twice the number of last season. Twice is and more than that is . Step 7. Answer the question: The snowfall last season was inches.
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OpenStax
Intermediate Algebra @ OpenStax
Ch.2 Solving Linear Equations - Intermediate Algebra @ OpenStax
Algebra
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Solving for Two Consecutive Odd Integers Whose Product is
Solving for Two Consecutive Odd Integers Whose Product is
Solving for Two Consecutive Odd Integers Whose Product is
Example: Solving a Word Problem about Snowfall
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