Concept explainers
Months and months (H). It is now July. What month will it be in 219 months? What month will it be in 120,963 months? What month was it 89 months ago?
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The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
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