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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
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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 Casson’s department store started on the ground floor. It went up 7 floors-example-1
User Susensio
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B. Is the correct answer because it uses parentheses
User Uri Weg
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