Hi

Let x represent  the length of the shadow of a 40 ft pole  

Question Sets Up the Proportion

 |cross multiplying to solve for x

  30x = 8*40

     x = 8*40/30

     x = 10 2/3 ft, length of the shadow of a 40 ft pole  

RELATED QUESTIONS

how tall is a tree that cast a 25-ft.shadow at the same time a 9-ft light pole casts a... (answered by CubeyThePenguin)

A person 70 inches tall cast a shadow 25 inches long and at the same time a flag pole... (answered by ewatrrr,rfer)

John is 6 feet tall. At 4 p.m., he cast a shadow that is 8 feet long. At the same time, a  (answered by stanbon)

if a pole is 24 feet tall and has a shadow of 8 ft, how tall is the shadow of a 72 foot... (answered by actuary)

A utility pole 8 meters tall cast a 12 meter shadow. at the same time a building cast a... (answered by rfer)

how high is a tree that casts a 33 ft shadow at the same time a 5 ft pole casts a shadow... (answered by lwsshak3)

A pole that is 18 ft tall, the ground, and the shadow cast by the pole form a right... (answered by tanjo3)

How high is a tree that casts a 30-ft shadow at the same time a 6-ft post cast a shadow... (answered by jim_thompson5910)

A pole leans away from the sun at an angle of 9° to the vertical. When the elevation of... (answered by jim_thompson5910)