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Mathematics, 06.11.2020 02:00 alystidham772

An elevator travels 5 feet per second when it is going up and 6.5 feet per second when it is going down. An elevator starts at ground level and travels up for 7 seconds and down for 5 seconds. What is the
elevator's elevation after 12 seconds?
help pleasee

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An elevator travels 5 feet per second when it is going up and 6.5 feet per second when it is going d...
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