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The sum of two numbers is 47, and their difference is 15. What is the larger number?

User Clint
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2 Answers

3 votes
I think the answer is 32 because 47-15=32
User Jamez
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Let the two numbers be x and y.

x + y = 47
+
x - y = 15
__________
2x + 0y = 62 Adding both equations.
___________


2x = 62
x = 62/2
x = 31.

x is definitely the larger of the two numbers because x - y = 15

The larger number is 31.
User Marcos Tanaka
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