Posted by **John** on Monday, January 17, 2011 at 12:24pm.

Karen is 63 inches tall and casts a shadow that is 32 inches long. At the same time, a tree casts a shadow that is 81 inches long. How tall is the tree?

- Math -
**Ms. Sue**, Monday, January 17, 2011 at 12:25pm
Cross multiply and solve for x.

63/32 = x/81

- Math -
**Sara**, Friday, January 21, 2011 at 8:22am
well first, you set up a poportion 63 over 32,= x over 81. cross multiply 32*x is 32x cross multiply 63 * 81=5,103. 5,103/32x is 159.46...hope this helps..

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