Inactive Tutor answered • 09/17/15
Tutor
New to Wyzant
If you think about this problem in terms of a plot of the number of pens versus days, you might see how to find the answer.
Tyler T.
asked • 09/17/15How many pens go missing per day
Ms. Hunter bought a box of 75 pens for her students to use in class. After 4 days, she had 63 pens left and after 15 days she only had 30 left. Assume her students are using them at a constant rate.
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