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24-01-2017
Mathematics

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If m and n are positive integers and 2m + 3n = 15, what is the sum of all possible values of m?

Respuesta :

24-01-2017

One can write down all possilities:
- m =0 , n= 5
- m cannot take value 1 or 2.
- m= 3, n= 3
- m cannot take value 4 or 5
- m= 6 , n= 1
So the sum 0 + 3+ 6 = 9

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24-01-2017

2(3)+3(3)=15
6+9=15
15=15
M=3

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