15 less than 3 times a number is the same as 5 more than half of the number. what is the number?
1 answer:
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Answer:
The shadow of the building = 192 ft.
Step-by-step explanation:
∵ There is a proportional relation between the heights of the tree and the building and their shadows
∴ Height tree/height building = shadow tree/shadow building
x = = 192 ft ⇒ x is the length of the shadow of the building