# CALCULUS

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At 3:00 PM a man 144 cm tall casts a shadow 146 cm long. At the same time, a tall building nearby casts a shadow 171 m long. How tall is the building?
Give your answer in meters. (You may need the fact that 100 cm = 1 m.)

• CALCULUS -

Cant you use a ratio here?

h1/s1=h2/s2 solve for h2

• CALCULUS -

173.375 meters

• CALCULUS -

118.75

• CALCULUS -

a rectangular lot is bounded at the back by a river . No fence is needed along the river and three is to be a 24-ft. opening in front. if the fence along the front costs \$1.50 per ft.,along the sides \$1 per ft. find the dimensions of the largest lot which can be thus fenced in for \$300

• CALCULUS -

146/144=1.01388888889
171/1.01388888889=168.657534246
ans-168.657534246

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