document.write( "Question 1206337: A light post casts a shadow that is 15 ft. long. Sarah is 5 ft. tall and is standing 4 ft. from
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Algebra.Com's Answer #843766 by MathTherapy(10552) $\"\"$ $\"About$

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document.write( "A light post casts a shadow that is 15 ft. long. Sarah is 5 ft. tall and is standing 4 ft. from \r\n" );
document.write( "the light post. How tall is the light post?\r\n" );
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document.write( "In most cases, the TIP of the person's shadow touches the TIP of the object's (light post, in this\r\n" );
document.write( "case) shadow\r\n" );
document.write( "As such, let's say the height of the light post is H\r\n" );
document.write( "With the light post casting a 15-ft shadow, and considering that Sarah is standing 4 ft from it -\r\n" );
document.write( "on the SAME side as its shadow - then Sarah's shadow is 11 (15 - 4) ft long\r\n" );
document.write( "We then get the following PROPORTION: \r\n" );
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document.write( "                                                                    11H = 15(5) ------ Cross-multiplying\r\n" );
document.write( "                                                                    11H = 75\r\n" );
document.write( "                                        Light post's height, or

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