Lookout tower

How high is the lookout tower? If each step was 3 cm lower, there would be 60 more of them on the lookout tower. If it was 3 cm higher again, it would be 40 less than it is now.

Correct result:

x =  36 m


x=n s x=(n+60) (s3) x=(n40) (s+3)   n s=(n+60) (s3) n s=(n40) (s+3)  3n60s=180 3n40s=120  n=240 s=15   s1=s m=s/100  m=15/100  m=0.15 m  x=n s1=240 0.15=36 m

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