Can u help me please :)

Mathematics

1 answer:

GuDViN [60]3 years ago

7 0

She has to go down 4, back up to 0, and then up another 4, then back to 0.I<span>f positive 1 represents the first level above ground, negative numbers are a good choice to represent levels below ground. 8 flights; starting at -4 and moving to 4.</span>

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