Posted by jocelyn on Monday, February 27, 2012 at 6:32pm.
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?

math  Ms. Sue, Monday, February 27, 2012 at 6:34pm
Use a proportion. Cross multiply and solve for x.
6/15 = x/60

math  jocelyn, Monday, February 27, 2012 at 6:37pm
i got 24. thank u

math  Ms. Sue, Monday, February 27, 2012 at 6:39pm
Right.
And you're welcome.

math  abbi, Wednesday, January 9, 2013 at 12:21pm
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?
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