Problem 115
Question
Write a problem that can be solved by finding the difference between two numbers. At least one of the numbers should be negative. Then explain how to solve the problem.
Step-by-Step Solution
Verified Answer
The difference between -10 and 7 is 17
1Step 1: Problem Formulation
Consider the problem of finding the difference between -10 and 7.
2Step 2: Identify the Numbers
There are two numbers to consider here: -10 and 7.
3Step 3: Apply the Rule
Next, apply the rule of subtraction. Subtracting a number is the same as adding its negative. Thus, subtracting -10 (negative number) is same as adding 10 (its positive).
4Step 4: Perform the Operation
Now simply add the two numbers. \(7 + 10 = 17\)
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