We are going to learn what is proportion? What is the proportion rate? What is unitless rate and I am going to show you the representation of the ratio. Ratio is the comparison of two identical or different quantities by dividing them
Let's watch this video and solve to proportions problmes
question -1 5 male students and 7 female students in the classroom, what is the ratio of female students to male students solution= like ı said that in this. Video first spoken part is write to upside so numerator after second part is write to downside so denaminator. let's write the ratio now 7 female students/5 male students = 7/5 question -2 pizza dough recip +3 glass water +8 glass fame +3g fresh yeast acording to given recip what is the ratio of water to fame ? solution= we know the quantitys to water and fame now we read the question and solve this question. we will write first spoken part to upside second spoken write to downside 3/8 UNIT RATIO Unit ratio is the comparison of different quantities between each other. To better understand this issue, let’s examine our example below. example= Write the ratio of the the road to time of camels which travel 12 kilometres in 3 hours. solution= As we talked about it in the previous lesson, we write the first given information to the numerator and the second one to the denominator. Let’s write: 12km/3hours=4kmh we found 4 kilometer per hours this result to give us to camel's speed
TYPE OF RATIO
In this video ı ama going to show you type of ratio lets watch the video and take notes.
This part ı am gonna explain important points the topic Lets start.
1-a/b When we saw like this expression we suppose to divided by the number but this expression say to our ratio of a to b
2-second wrong think ı am going to Show you on example Jennifer is 160 cm tall /john is 170cm tall On this example we didn’t comprossion by the addition we did comprossion by the multiplication
3-160cm/150cm=16/15 now on this opperations we can simplification because two quantitys shapes are same as
4-Proportions are not change for example we put sugar to glass of water after when we drink one sip to water the sugar taste is same the rest of glass
NOTE= The fourth rule is not change any questions type or something we should know this rule and when we solve questions first we must use this rule ---Now you should watch this example and you try to solve before ı solving---
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Question 1- whic one is not equal to ratio of 72 to 30 A-)9/4 B-)12/5 C-)24/10 D-)36/15 Question 2- 36 toys share with 7/2 ratio for 2 childeren, How many toys does the child with more toys have? A-)28 B-)24 C-)20 D-)16 Question3- Mr.Hasan plants peppers in 2/3 of his rectangular garden with 9 m and 4 m sides and tomatoes on a 10 m2 area. What is the ratio of pepper cultivated to non-cultivated area in the garden? A-)5/6 B-)5/12 B-)3/9 C-)5/9 Question4-The ratio of a road to the remaining road is 6/2. What is the ratio of this remaining path to the road? A-)1/4 B-)3/4 C-)3 D-)4 answers= 1-d 2-a 3-b 4-a