music don't make your heart calm it is just giving you what a human mind want that is not usually a some nice thing to want.
Answer:
what?
Explanation:
Can you please be more specific? This gives the people who want to answer nothing yo work with..
Answer: I think what you have to do is divide 50 km ÷ 1.5 = 33.33 km/h.
Explanation: 1.5 is 1 hour and 30 minutes so you just divide the speed by the hours you have. Hope it helps :)