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Mathematics 18 Online
OpenStudy (anonymous):

In the sunlight, a vertical stick has a height of 5 ft. and casts a shadow 3 ft. long at the same time that a nearby tree casts a shadow 15 ft. long. How tall is the tree?

ganeshie8 (ganeshie8):

set up a proportion

ganeshie8 (ganeshie8):

say, the tree is x ft tall

ganeshie8 (ganeshie8):

5 x --- = --- 3 15

OpenStudy (anonymous):

Do you cross multiply?

ganeshie8 (ganeshie8):

yes!

OpenStudy (anonymous):

Is the tree 25 ft?

ganeshie8 (ganeshie8):

Correct. good work :)

OpenStudy (anonymous):

Thank you so so sooo much! I really appreciate it!

ganeshie8 (ganeshie8):

np :) you're wlcme :D

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