a+ b is equal to 78, a minus b is equal to 38 then a divided b is equal to?
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a+b=78
a-b=38
_______
2a=116
a= 58
b=78-58=20
a/b= 58/20
29/10
a-b=38
_______
2a=116
a= 58
b=78-58=20
a/b= 58/20
29/10
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