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Real Numbers
Maths and Fun together
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1 year ago
This question is related to real life problems
Category
📚
Learning
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00:00
This is question number 4 of exercise 1.3.
00:05
In this question, Moomna walks 3.5 km per hour.
00:11
She took a 12-hour walk.
00:13
How far did she walk?
00:15
Means in this question, the information provided to us is that
00:21
Moomna has walked 3.5 km per hour.
00:28
And how many hours did she walk?
00:32
How much time did she take?
00:33
That is 12 hours.
00:34
And we have to know how far.
00:36
How far means how much distance did she cover?
00:40
How much distance did she travel?
00:42
First of all, we will write her statements.
00:48
Moomna walks 3.5 km per hour.
00:56
Basically, it is her speed.
00:58
She is walking at this speed.
01:00
Time taken.
01:08
Time taken by her is 12 hours.
01:13
We have to know distance.
01:15
How far.
01:16
You have the formula of speed.
01:18
Speed is equal to distance divided by time.
01:26
Speed is already given to us.
01:29
That is 3.5 km per hour.
01:33
So, we will write speed here as 3.5.
01:36
We do not know distance.
01:43
And time is 12 hours.
01:46
Now, we can write 1 below every number.
01:50
We will do cross multiplication.
01:53
3.5 multiplied by 12.
01:57
And 1 multiplied by distance.
01:59
Basically, that is distance.
02:02
3.5 multiplied by 12.
02:06
We will get 42.
02:09
Basically, the distance is 42 km.
02:15
Distance covered is 42 km.
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