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Ratio example problems


2m read
·Nov 11, 2024

Let's do some example questions dealing with ratios. So we're told the table shows the number of people waiting in line for different rides at an amusement park.

So, 15 people are waiting in line for the roller coaster, four people for the slingshot, 12 people waiting in line for the bumper cars, and 11 people in line for the roundup.

What is the ratio of people waiting in line for the roundup to the people waiting in line for the slingshot? Pause this video and see if you can figure it out.

So, we want to know the ratio of the people waiting in line for the roundup (this is the roundup right over here) to the number of people waiting in line for the slingshot.

So there's 11 people waiting in line for the roundup and there are four people waiting in line for the slingshot.

So the ratio is 11 to 4. For every 11 people in line for the roundup, there are four people waiting in line for the slingshot.

Let's do another example. Katie loves to read. In the last few months, she has read three graphic novels, two mysteries, four science fiction novels, and 21 comic books.

What is the ratio of sci-fi novels to comic books? So once again, pause this video and try to work it out on your own.

All right, so we want to know the ratio of sci-fi novels. She has four sci-fi novels. The ratio of that to comic books: she has 21 comic books.

So the ratio is, for every four sci-fi novels, she has 21 comic books. Let me do that in another color. She has 21 comic books, so the ratio is 4 to 21.

The ratio of sci-fi novels to comic books is four sci-fi novels for every 21 comic books.

Let's do one more example. This is strangely fun. What is the ratio of apples to bananas? Pause this video and try to figure it out.

So let's see, there are one, two, three apples. So for every three apples, how many bananas are there? Well, there's one, two, three, four bananas.

So the ratio of apples to the ratio of apples to bananas is three apples for every four bananas. Order matters. If they said the ratio of bananas to apples, then this would be four to three. But they say apples to bananas: three to four. Three apples for every four bananas.

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