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Kaylis [27]
3 years ago
8

When 1600 is increased by 20% and the resulting number is decreased by y% the answer is 1536. Find the value of y?

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0
100% = 1600
120% = 1920

1920/120 = 1536/y
1920y = <span>184320 (cross multiply)
y = 96%
decrease of 24% from 1920</span>
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A scale model of a building is 3 inches tall. If the building is 90 feet tall, find the scale of the model.
olganol [36]

The scale model of a building 3 inches tall if the building is 90 feet tall is 2:5

<h3>Scaling of measurement</h3>

Scaling is the way of enlarging or reducing the image of an object.

Given scale model of a building is 3 inches, if the building is 90feet tall, to write the scale;

Convert both measures to same units

Since 1 feet. = 12 in

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Hence the scale model of a building 3 inches tall if the building is 90 feet tall is 2:5

Learn more on scale model here: brainly.com/question/261465

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Troyanec [42]

Answer:

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Step-by-step explanation:

Given

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