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knowledge check
question 12
hans stepped onto an escalator moving at a constant rate. the table below shows his distance from the first floor after different amounts of time.
12
15
time (seconds)
distance (centimeters)
1020
900
780
660
answer the following questions.
what was hans's distance from the first floor when he stepped onto the
escalator?

choose the statement that best describes how the time and his distance from
the first floor are related. then give the value requested.
as time increases, his distance from the first floor decreases.
at what rate is his distance from the first floor decreasing?
centimeters per second

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