Good day, I've been struggling with this example for two hours. Chatgpt and others have only given me wrong answers. "Someone drives for 1.5 hours at a constant speed and covers a certain distance. If the speed is reduced by 20 percent, the time stays the same but the distance is 15km less." I already know that the result should be 50km/h. Thanks in advance.
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There have already been several and not just one, and there may have been something like this across several dimensions, which we humans cannot detect because the dimensions prevent us from doing so.
Hello,
1.5x=1.5*0,8x+15 after x dissolve.
Best regards,
Willy
Thank you for your quick and helpful answer
I call the same driving time times tf . Then:
So:
Thank you for your answer!
Hello,
t1=1,5h, v1,s1
t2=t1, v2=0,8•v1, s2=s1-15km
s=v•t –> t=s/v
s1/v1 = (s1-15km)/(0,8•v1) |•v1
s1 = (s1-15km)/0,8 |•0,8
0,8s1 = s1 – 15km
s1=75km, s2=60km
v1 = s1/t1 =75km/1.5h = 50km/h
v2 = 0,8v1=40km/h
🤓
Thank you!
If he travels 20% slower, he also sets a 20% shorter distance in the same time, as speed and path are proportional, at the same time. v= s:t and s:v = t
These 20% are the 15 Km. 100% are then 5 * 15 km so 75 km.(5 * 20% = 100%). For this route it takes 1.5 h at the initial speed, i.e. v = 75 km:1.5 h = 50 km/h
already learned something – you can ask the cleaning lady better. AI bots can cuff but don’t think.
Put the equation down and clear it.
I’m sorry I don’t know how to set this up with me v has been resolved every time
If you write it down, you can correct it. That’s better than letting anyone else do that.