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Back to 3.1 Prime and Composite Numbers

3.1 Exercise 49

Avg difficulty 2.5

A team-building exercise has teams build a house of cards as high as possible. However, the cards for different teams are of different sizes. Team 1 uses 10 cm × 10 cm cards, while Team 2 uses 8 cm × 8 cm cards. What is the minimum height when the two teams will be tied? Ignore the width of the cards.

OpenStax Contemporary Mathematics, 3.1 Prime and Composite Numbers, exercise 49

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.