



 
Hi Sharon, I am a very visual person so I drew a diagram. W is the position of the window washer and B is the position of the bottle t seconds after it is dropped. I wrote the height of the bottle off the ground as h(t) rather than h since it is a function of t.
Since the window washer is 6 stories up and each story is 12 feet, s = 6 12 = 72 feet. The woman is 6 feet tall so if she stays put the bottle will strike the top of her head when h(t) = 6 feet. Substitute h(t) = 6 feet into the expression
and solve for t. Penny  


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