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3 years ago

9

URGENT!! DUE VERY VERY SOON PLEASE HELP!

1 answer:

MariettaO [177]3 years ago

4 0

1: X=13.6
2: X=33
3: X=40
4: X=15

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At an university 70% of the students who attend stay on campus. If 1,380 of the students who attend live off campus, what is the

Alborosie

Answer:

4600

Step-by-step explanation:

We can write a proportion to find the total amount who attend university using the information given. A proportion is two equivalent ratios set equal to each other. Since 70% live on campus, then 30% live off campus and we are told that number is 1,380.

$\frac{30}{100}=\frac{1380}{y}$

We will cross multiply the numerator of one ratio with denominator of the other. And then solve for y.

30y=100(1380)

30y=138000

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3 years ago

Molly read 50 out of the 200 pages in her fiction book. Joel is also reading a fiction book, but his book has 280 pages in total

katrin [286]

Answer:

$x = 70$

Step-by-step explanation:

Given

Molly: 50 out of 200

Joel: x out of 280

Required

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Joel = x : 280

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Convert to fractions

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Solve for x

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$x = \frac{280}{4}$

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2 years ago