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13-09-2018
Mathematics

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An elevator in Casson’s department store started on the ground floor. It went up 7 floors, down 6 floors, up 8 floors, and down 5 floors. Which expression could be used to find the total number of floors through which the elevator passed?

A.

An elevator in Cassons department store started on the ground floor It went up 7 floors down 6 floors up 8 floors and down 5 floors Which expression could be us class=

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13-09-2018

B. Is the correct answer because it uses parentheses

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