Answer:
I think you divide or multiply
so, start floor = x
x + 7 - 9 - 4 + 8 - 2 = 14
x = 14
the elevator started on the 14th floor.
to verify: 14 + 7 = 21 - 9 = 12 - 4 = 8 + 8 = 16 - 2 = 14
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<span>A triangular pyramid has a base with an area of 11.3 square meters and has lateral
</span><span>20 inches.</span>