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Mathematics 9 Online
OpenStudy (anonymous):

a 70-foot tree has a 35-foot shadow. If the building next to the tree has an 80-foot shadow, how tall is the building?

OpenStudy (amistre64):

70 is to 35 as h is to 80

OpenStudy (amistre64):

h = 70(80)/35

OpenStudy (amistre64):

160 feet

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