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OpenStudy (anonymous):
In sunlight, a vertical stick 9 ft tall casts a shadow 7 ft long. At the same time a nearby tree casts a shadow 28 ft long. How tall is the tree? Round to the nearest tenth
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OpenStudy (anonymous):
you need to do proportion
OpenStudy (anonymous):
how would you set that up
OpenStudy (anonymous):
9/7 = 28/x then cross multiply and solve for x
OpenStudy (anonymous):
so 21.8
OpenStudy (anonymous):
wait no, 9/7 = x/28
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OpenStudy (anonymous):
sorry i didnt read completely.
OpenStudy (anonymous):
so its 36
OpenStudy (anonymous):
yes
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