Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Arithmetic Series - Problem 8

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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You can use what you know about arithmetic series to answer word problems about how many objects are in a stacked formation - often presented as cans in a supermarket display. If you know how many cans are in the top row (first term, or a 1), how many are added in each successive row (the difference d) and how many rows there are total, you could find the total. Calculate your final term- that is- the last row, and use the formula for an arithmetic series to find the total number of objects in the stack.

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