Lookout tower

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

Correct answer:

x =  36 m

Step-by-step explanation:

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  Row2Row1Row2 3n60s=180 20s=300  s=20300=15 n=3180+60s=3180+60 15=240  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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