yego.me
💡 Stop wasting time. Read Youtube instead of watch. Download Chrome Extension

Part to whole ratio word problem using tables


2m read
·Nov 10, 2024

We're told that one month the ratio of indoor to outdoor play times for Yusuf's class was two to three. They had 30 total play times. How many of the play times were indoors? How many were outdoors?

Pause this video and see if you can figure that out.

All right, now let's work through this together, and I'm going to figure this out by setting up a little bit of a table. So we have our indoor play times. I'll write it out. Play times. We have our outdoor play times, outdoor play times. Then we have our total play times, total play times.

And then let me set up a table here, as promised. And then I'm going to set up two columns here. So the first column is going to concern itself with the ratios, so this is the original ratio. And here we're going to put the actual counts, actual counts.

So, what information do we know? We know that the ratio of indoor to outdoor is two to three. So the ratio of indoor to outdoor is two to three. And then we can also think about what would be the ratio of either of these to total play times.

Well, for every two indoor play times, there are three outdoor play times. That means for every two indoor play times, there are five total play times; or for every three outdoor play times, there are five total play times.

And now let's think about what we know about the actual counts. They tell us that there was a total of 30 actual play times. So this is the actual number: 30.

Now this is useful because now we can think about how do we go from the original ratios to the actual counts. If we take the total, we notice that we are multiplying by six. So to maintain the ratios, we would want to multiply everything by six.

So if you multiply this by 6, you're going to have 12 actual indoor play times. And if you multiply this by 6, you're going to have 18 actual outdoor play times.

And notice the ratio still holds up: 2 is to 3 as 12 is to 18; or 2 is to 5 as 12 is to 30.

And so there we have it. We know how many of the play times were indoors: 12, and how many were outdoors: 18.

More Articles

View All
How To Build Discipline
Self-discipline is your ability to do the uncomfortable but important things when nobody’s forcing you to do it. The last part, that no one forcing you, is the thing that people struggle with the most. When you were a kid, your parents told you what to do…
Setting a Deadfall | Live Free or Die
I haven’t been eating much. I’m pretty much down to survival rations, so I’m looking for signs of rodent. I’m seeing right here kind of a cave-like formation, so I’m going to go back there, see what I can find in the deep canyons of Arizona desert. Nomad…
Writing proportional equations | Rates & proportional relationships | 7th grade | Khan Academy
We’re told that Justin runs at a constant rate, traveling 17 kilometers in two hours. Write an equation that shows the relationship between the distance he runs, ( d ), in kilometers and the time he spends running, ( h ), in hours. So pause this video and…
15 Signs You’re Mentally Strong
Resilience is the primary difference between those who make it in life and those who don’t. Life has its ups and downs; it’s just how it goes. Those who are able to pursue their goals despite an overwhelming amount of pushback earn their future. Nobody ha…
How to buy a private jet
This is 100% scale of the G stream 550. That’s the three sections I’m talking about. You got the kitchen door here, the galley door, and most airplanes the front section has these four single seats. This is really the normal setup. Again, the normal setu…
The Paradox of an Infinite Universe
Is the universe infinite? Does it have an edge? And if so, what would you see if you went there? Today we know that the universe had a beginning 14 billion years ago and that it’s been expanding ever since. But something that’s expanding should also have…