shardaeheyward624 shardaeheyward624

28-01-2018
Mathematics

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Sum of two numbers is 31 and their difference is 7 what are the two numbers math

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mathmate mathmate

28-01-2018

Sum and difference problem.

Larger number = (sum+difference)/2=(31+7)/2=19
Smaller number = (sum-difference)/2=(31-7)/2=12

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