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Question

Wells Chambers

04/29/2023 · Primary School

Owen lives 145.25 kilometers from Houston, Texas. Sharon lives 209.5 kilometers from Houston. What is the difference between these two distances?

Answer
expertExpert-Verified Answer

Goodwin Warner
Certificated Tutor
4.0 (48votes)

The difference between the two distances is 64.25 kilometers.

Solution

  1. Identify the distances:
    • Owen's distance from Houston: 145.25 kilometers
    • Sharon's distance from Houston: 209.5 kilometers
  2. Subtract Owen's distance from Sharon's distance:
    \[209.5 \space \text { km} - 145.25 \space \text { km} = 64.25 \space \text { km} \]

 

Supplemental Knowledge

When working with decimal numbers, it's important to understand how to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. Subtracting decimals involves aligning the decimal points and subtracting as you would with whole numbers.

Key Concepts:

  1. Aligning Decimal Points:
    • Ensure that the decimal points of both numbers are aligned vertically.
    • If necessary, add trailing zeros to make the number of decimal places equal.
  2. Subtraction Process:
    • Subtract each column starting from the rightmost digit (the smallest place value).
    • Borrow from the next column if needed, just as you would in whole number subtraction.

 

From Concepts to Reality

  • Imagine planning a road trip between two cities; knowing how to subtract decimals can help you assess their relative distances more accurately and calculate any time differences or budget expenses accordingly. Furthermore, this skill may come in handy during various real-life situations like budgeting expenses, cooking with less ingredients, or measuring time differences accurately.

 

For more detailed explanations on arithmetic operations involving decimals and other math concepts, explore UpStudy’s Decimals calculator! This tool will help you master calculations involving decimals efficiently and accurately, making your learning experience both engaging and productive.
If you have any more questions or need further assistance with another topic, feel free to ask!

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