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a tree is standing by the side of the building. 2/5th of the height of the tree is above the building level. the building is 9 metres high. what is the height of the tree?
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2 votes
a tree is standing by the side of the building. 2/5th of the height of the tree is above the building level. the building is 9 metres high. what is the height of the tree?

User Deepanjan Nag
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2 Answers

3 votes
9 + ( 2 / 5 )*h = h =>45 + 2h = 5h => 45 = 3h => h = 45 / 3 => h = 15 metres.
User Rcnespoli
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4 votes
If 2/5 of the tree is above the building, the other 3/5 must be down next to the building.

3/5(tree) = 9m

Multiply each side by 5/3 :

tree = (5/3) (9) = 15 meters
User JamesWampler
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7.4k points
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