A city skyscraper is 1,450 feet tall. A scale model is made that is 1:290 of its size. How tall is the model?
1 answer:
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Answer:
Length of grey rod is th of the white rod.
Step-by-step explanation:
Let the length of each black rod = b units
Length of 2 black rods = 2b
Length of each grey rod will be = g units
Length of 3 grey rods = 3g
Since, length of 2 black rods = length of 3 grey rods
2b = 3g ----- (1)
Length white rod = Length of 2 black rods + Length of 3 grey rods
w = 2b + 3g
From the equation (1),
w = 2b + 2b
= 4b
b =
Therefore, length of grey rod is th of the white rod .