math
posted by jocelyn on .
if a 6 foot vertical rod casts a shadow 15 feet long, how high is a flagpole that casts a shadow 60 feet long? i know this is multiplication, but i don't know how to set it up. 10 feet?

Use a proportion. Cross multiply and solve for x.
6/15 = x/60 
i got 24. thank u

Right.
And you're welcome. 
a women is 150 cm tall and she casts a shadow 3 m long. the shadow of a telephone pole is 30 m long. how tall is the telephone pole?