Answer:
17 floors
Step-by-step explanation:
1 floor every 4 seconds.
90/4 = 22.5
40 - 22.5 = 17.5
17.5 is 17ish floors, and is the only answer that is close to 17 floors.
Answer:
30×3=90 10×9=90 45×2=90 . .
The answer is 68, Which should be correct
Answer:
3,5
Step-by-step explanation:
the answer is 3,5
I hope this helps