If the cow delivered milk to 12 houses on the first day and 8 houses on the second day, how many houses did she deliver to in total over these two days?
Answer
20
The correct answer is 20 — State the total as the answer.
Step-by-step solution
- Write down the number of houses on the first day: 12.
- Write down the number of houses on the second day: 8.
- Add the two numbers: 12 + 8 = 20.
- State the total as the answer.
Common mistake: Adding instead of summing or miscalculating
Concept tested: Basic addition
Published · How this solution was prepared and checked
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