Ratios and Ratio Tables with Davine and Lily - Free Educational videos for Students in K-12

Ratios and Ratio Tables with Davine and Lily - By Anywhere Math

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00:0-1	Hello and welcome to anywhere . Mass engineer . I'm
00:01	lily and I'm David . And today we are going
00:04	to be talking about ratios and ratio tables . Let's
00:06	begin anywhere . Math Junior , let's begin with example
00:22	, Robin needs to know the favorite sports of students
00:25	so that he can add ones for it in a
00:28	school event . Use the pie chart to write a
00:31	ratio for students who like to play badminton to the
00:33	total of students simplify if necessary . To begin .
00:38	It says that in the picture , it says there's
00:41	seven students who like badminton . We already know that
00:45	seven students like bad minute . And so then we
00:48	do a cool it . Now we have to find
00:52	the total students who like the total students bra be
00:56	asked . So to find that is to add all
00:59	the students . So we have um seven students Plus
01:05	6 , 7 2 . It's soccer for students who
01:09	like basketball too soon to like golf . And then
01:12	there are two students who like softball . We add
01:15	this so that we can . The total of students
01:19	Robbie asked Sergo plus 13 plus four plus two which
01:25	is six plus two which is to um And then
01:30	you add them off which goes to 21 . Now
01:34	we know that there's 21 students , but we can
01:37	see that we can simplify the ratio by doing that
01:40	. You just have to divide it . So how
01:43	many times does someone go into ? 21 7 china's
01:45	going to 21 23 times . So he cancelled 21
01:49	and three , going to making the ratio 123 So
01:55	the answer is 123 She just wanted to try on
02:01	your own Example two You're hosting your middle school graduation
02:09	party and you are planning on making your grandma's famous
02:11	blueberry pinky recipe . The recipe requires six cups of
02:15	your grandma's homemade batter and sick and two cups of
02:19	Freshly picked blueberries , which is a recipe for 16
02:23	. Your grandma already made 15 cups of her Eric
02:26	Pancake batter . How many cups of blueberries do you
02:29	need to make the perfect blueberry pancakes ? How many
02:33	people will it serve ? We are going to be
02:36	using of ratio table for this problem problem . And
02:40	then we already have batter and the unit which is
02:42	cups and then blueberries and cups . And then we
02:47	also have to add in people . Okay then we
02:53	also know that better . Um And the original recipe
02:58	has six cups and then it requires two cups of
03:02	blueberries And then it serves 16 people . So then
03:06	we want to make it go to 15 cups of
03:11	batter . Since your grandma already made 15 cups of
03:14	batter . It's but going from 6 to 15 is
03:18	a really hard dump . So then you want to
03:20	make Simplify the 6-3 , which would just be dividing
03:26	by two . And then you would do the same
03:28	for the rest of the numbers . Mhm . And
03:37	then you would just have to be able to find
03:40	out how much , how many times you have to
03:42	multiply three to get to 15 and then you would
03:45	have to just multiply it by five and then you
03:48	will do the same for the rest of the numbers
03:55	and you would get your answer which is five cups
04:00	. Um um There is and mhm 40 people ,
04:15	mm Now here's one to try on your own willie
04:22	, willie as always if you like the video please
04:29	subscribe anywhere about Junior .

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