Jake's dog weighs 24 pounds. Liv's dog weighs 42 pounds. Jimmy's dog weighs twice as much as Jake's and Liv's dogs combined. How much does Jimmy's dog weigh?
Understand the Problem
This is a word problem where we need to calculate the weight of Jimmy's dog. We know Jake's dog weighs 24 pounds and Liv's dog weighs 42 pounds. Jimmy's dog weighs twice as much as the combined weight of Jake's and Liv's dogs. We first need to find the combined weight and then multiply it by 2.
Answer
$132$ pounds.
Answer for screen readers
Jimmy's dog weighs $132$ pounds.
Steps to Solve
- Find the combined weight of Jake's and Liv's dogs
To find the combined weight, we add the weight of Jake's dog and Liv's dog. $24 + 42 = 66$ pounds
- Calculate Jimmy's dog's weight Jimmy's dog weighs twice the combined weight of Jake's and Liv's dogs. So, we multiply the combined weight by 2. $66 \times 2 = 132$ pounds
Jimmy's dog weighs $132$ pounds.
More Information
The problem involves basic arithmetic operations: addition and multiplication. It demonstrates how to solve a word problem by breaking it down into smaller, manageable steps.
Tips
A common mistake is forgetting to multiply the combined weight by 2. Students might simply add the weights of Jake's and Liv's dogs and stop there. Another mistake could be misunderstanding the problem statement and performing the wrong operation, like subtracting instead of adding.
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