Asked by Bernita
how to find two mixed numbers so that the sum is 7 2/8 and the difference is 2 4/8
Answers
Answered by
R_scott
a + b = 7 2/8
a - b = 2 4/8
adding equations (to eliminate b) ... 2 a = 9 6/8
solve for a , then substitute back to find b
a - b = 2 4/8
adding equations (to eliminate b) ... 2 a = 9 6/8
solve for a , then substitute back to find b
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