Points A and B are 70km a part on a highway,a car starts from A and another car starts from B simultaneously. if they travel in the same direction, they meet in 7 hours, but if they travel towards each other, they meet in one hour.find the speed of two cars
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Answered by
1
Sorry, I am Indonesian Country
Jadi caranya gini mas;
Kalo A dengan B 70 km
Berarti;
70×7=490 km
Jadi caranya gini mas;
Kalo A dengan B 70 km
Berarti;
70×7=490 km
Answered by
5
Answer:
CarA=40km/hr
CarB=30km/hr
Step-by-step explanation:
Let speed of car A be x km/hr and speed of car B be y km/hr
7x-7y=70
X-y=10-----(1)
X+y=70-----(2)
2x=80
X=40
40-y=10
-y=-30
Y=30
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