SOLUTION: at a certain time of a day a vertical yardstick casts a 20 inch shadow.how tall in feet is a flafpole that casts a shadow of 15 feet at the same time? a)20 b)22 c)25 d)27 e)

SOLUTION: at a certain time of a day a vertical yardstick casts a 20 inch shadow.how tall in feet is a flafpole that casts a shadow of 15 feet at the same time? a)20 b)22 c)25 d)27 e)

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Question 693871: at a certain time of a day a vertical yardstick casts a 20 inch shadow.how tall in feet is a flafpole that casts a shadow of 15 feet at the same time?
a)20
b)22
c)25
d)27
e)30
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
3/20 = x/(15*12)

3/20 = x/180

3*180 = 20x

540 = 20x

540/20 = x

x = 27

So the answer is 27 ft.
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