Logan J. answered • 12/04/18
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Chemical Engineer Seeking to Tutor Math and Science
The answer is 20 and 7.
20+7=27
20-7=13
Bob R.
asked • 12/04/18What two numbers have a sum of 27 and a difference of 13?
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2 Answers By Expert Tutors
Arthur D. answered • 12/04/18
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Forty Year Educator: Classroom, Summer School, Substitute, Tutor
Using algebra...
x+y=27
x-y=13
add
2x=40
x=20
20+y=27
y=7
the numbers are 7 and 20
Using arithmetic...
27/2=13.5
13 and 14
12 and 15
11 and 16
10 and 17
9 and 18
8 and 19
7 and 20 answer
10 and 17
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Bob R.
Thank you for you help!12/04/18