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- Zdrs: 1
- We already know what the value of k is. We now should do another equation to find the value of t. Why value of t? Because we are finding how many time it will take for a van who will travel 5 km with the speed of 40 kpm.
- Let's find t if s is 40 and d is 5. Now that we already know the value of k, we will also substitute it to our new equation. K is equal to 90. We will use the same formula we used in the first equation. s = kd/t
- Zdrs: 2
- s = kd/t
- After substituting our given, we multiply 90 (k) to 5 (d) and we will get 450 as our product. Then, we will cross-multiply to get the value of t. Afterwards, we will divide both sides by 40 to get the value of t.
- 40 = 90(5)/t
- 40 = 450/t
- 40/1 = 450/t
- 40t = 450
- t = 11.25
- 40t/40 = 450/40
- Zdrs: 3
- So, if my service van wants to change its speed to 40 kmp, and to travel for 5 km, it will take me 11.25 minutes to get to San Simon.
- Finally! We are done explaining how variation works. I hope we made variation easier for you to understand. If you still find variation hard, don't be shy to ask! That's all for today, I hope you learned something from us. See you next time!
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