<span> 16ft long shadow of a building when the building true height is</span> 40 ft
1 ft long shadow of a building when the building true height is <span>40/16 ft
</span>2 ft long shadow of a person when the building true height is <span>(40x2)/16 = 5ft (ans)
</span>
2+2+2=(6
(a2)
(b2)
2×2=4+2=6
2ft x 60 SECONDS = 120 ft
120ft x 60 minutes = 7200ft per hour
Subtract the 
terms from each other, then the 
terms, then the ones without any whatsoever.
First, we'll subtract 
from 
Result: 
Next, we'll subtract 
from 
Result: 
Finally, we'll subtract 
from 
Result: 
Now, we can add these 3 results together.
First, we had , then , and finally .
Thus, our subtraction of
equals
