Question
On a test given in math class 70 students arrive and take out their supplies. Of those students, 41 bring pens and 30 bring pencils.
On a test given in math class 70 students arrive and take out their supplies. Of those students, 41 bring pens and 30 bring pencils. Only 3 studentsarrives with neither. How many brought both a pen and a pencil?
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
