A tree casts a shadow 28 feet long. At the same time. A 5ft tall boy casts a shadow 8ft long how tall is the tree?
1 answer:
Answer:
The tree is 17.5 ft tall
Step-by-step explanation:
We can use ratios to solve
Shadow
-----------
height
28 8
------ = ------------
tree 5
Using cross products
28*5 = 8 * tree
140 = 8 * tree
divide each side by 8
140/8 = 8 *tree/ 8
17.5 = tree
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add 7x to each side
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add 6 to each side
20>4x
divide by 4
5>x
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Answer:
x-7x+5
Step-by-step explanation:
4+x-7x+1
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Answer:
the answer is 3
explanation:
3x+6/9= 3*7+6/9= 27/9 =3
Can you post the picture or the wall shape?
