Question
Betty, Oliver and Henry have a total of 186 pens. Betty and Henry have a total of 104 pens while Oliver and Henry have a total of 141 pens. How many more pens does Henry have than Betty?
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Betty, Oliver and Henry have a total of 186 pens. Betty and Henry have a total of 104 pens while Oliver and Henry have a total of 141 pens. How many more pens does Henry have than Betty?