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Lisa lives on the 9th floor of a building. There are 36 stairs between two connecting floors. How many stairs does Lisa have to climb to reach the 9th floor, starting from the first floor?

Respuesta :

17mns
288 stairs. You go from floor 1 to floor 2 and so on, which is 8 different stair cases, and multiply is by 36. 8 x 36 = 288. 
cndram
36/2 =18
18x9=162
162 is the answer
Hope I helped

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