Question

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

Answer 1

Sorry, I am Indonesian Country
Jadi caranya gini mas;
Kalo A dengan B 70 km
Berarti;
70×7=490 km

Answer 2

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