2 years ago

Celia needs 75% of the marks in an exam to pass. She gets 4/5 of the marks. Does she pass the course?

1 answer:

7 0

So this would be yes she does pass the course because 4/5 is bigger than 75

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ra1l [238]

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Charra [1.4K]

Answer:

The diameter of the model is 14.4 inches.

Step-by-step explanation:

The Diameter of the moon = 2,160 miles

The scale on the model represents 1 in = 150 miles

Let the model represents k inches in 2,160 miles.

So, by the Ratio of Proportionality:

$\frac{1}{150} = \frac{k}{2160}$

⇒ $k = \frac{2160}{150} \\\implies k = 14.4$

or, k = 14.4 inches

⇒On the scale 2160 miles is represented as 14.4 inches

Hence the diameter of the model is 14.4 inches.

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3 years ago