Question

A recent survey reported that out of 50 teenagers, 9 said they get most of their news from a newspaper. At this rate, how many out of 300 teenagers would you expect to get their news from a newspaper?

Answer 1

Answer:

Out of  300 teenagers 54 would be expected to get their news from a newspaper.

Step-by-step explanation:

Given:

A recent survey reported that out of 50 teenagers, 9 said they get most of their news from a newspaper.

Now, at this rate, out of 300 teenagers to find the number of teenagers to get their news from a newspaper.

So, as given 9 out of 50 teenagers said they get most of their news from a newspaper.

Thus, 9 : 50 is the ratio.

At this rate, out of 300 teenager.

Let the number of teenagers to get their news from a newspaper be $x.$

Thus, the ratio is $x:300.$

Now, to get the number of teenagers we set proportion:

$\frac{9}{50} =\frac{x}{300}$

So, to solve by using cross multiplication method:

$\frac{9}{50} =\frac{x}{300}$

By cross multiplying we get:

$2700=50x$

Dividing both sides by 50 we get:

$54=x$

$x=54.$

Therefore, out of  300 teenagers 54 would be expected to get their news from a newspaper.