90 points PLZ HURRY Express 7 as a fraction. A) 1 7 B) 14 2 C) 2 7 D) 20 3

Mathematics

1 answer:

Vika [28.1K]3 years ago

8 0

Answer:

B) 14/2

Step-by-step explanation: 1/7 is a smaller number over a larger number, and we want a larger number over the bottom number for a whole number. 2/7 is the same reason. 20/3 as a whole number is 6 and 2/3 so no. 14/2 is the only answer

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90. The number of daily evening newspapers in the United States has decreased by 46.5% to

aleksandr82 [10.1K]

Answer:

700

Step-by-step explanation:

Given:

Daily evening newspapers in 2015 = 389

Percentage decrease from 2000 to 2015 = 46.5%

To find:

Number of newspapers in 2000 = ?

Solution:

Let the number of newspapers in 2000 = $x$

When 46.5% of the total newspapers in 2000 ( $x$ ) is subtracted from the total newspapers in 2000 ( $x$ ), it will be equal to the number of newspapers in 2015.

Making the equation as per the given statement:

$x-x\times 46.5\%=389\\\Rightarrow \dfrac{100x-46.5x}{100}=389\\\Rightarrow 53.5x=38900\\\Rightarrow x\approx \bold{727}$