to subtract 178-135 mentally, carmine adds 5 to each number. karen adds 2 to each number. will both methods work to find the cor
2 answers:
Answer:
Both, the methods will give the correct answer.
Step-by-step explanation:
We are given the following information in the question:
178 - 135 = 43
If Carmine adds 5 to each number, then,
If Karen adds 2 to each number than the subtraction problem will look like:
Adding 5 to each number or adding 2 to each number won't change the answer.
One must make sure that equal amount of quantity should be added to both the components. Sometimes this technique helps us to simplify the problem and it could be solved easily.
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